The 8-Week TOEFL Vocabulary Study Plan: From 60 to 100+ (With Spaced Repetition)
Many TOEFL test-takers share a common frustration: months of vocabulary study, but scores that keep stalling. The problem is rarely intelligence or effort. It is almost always method. Memorizing thousands of word definitions only to forget most of them within two weeks is a sign that the study method is working against the brain's natural memory architecture, not with it.
This guide is for test-takers who are serious about reaching the 100+ threshold. It's built on peer-reviewed memory science, structured around the Academic Word List and high-frequency TOEFL vocabulary, and designed to work in 20 minutes a day. No cramming. No passive rereading. No bloated word lists that pretend 4,000 words are equally important.
TL;DR
- Most TOEFL vocabulary failure comes from passive review (reading definitions) rather than active recall.
- The Academic Word List (AWL) sublists 1–4 cover the highest-priority words for TOEFL Reading and Listening.
- Spaced repetition (specifically FSRS-based forgetting-curve algorithms) is the most research-backed method for long-term retention.
- The 8-week plan below allocates 20 minutes/day, progressing from foundation to reading to listening/speaking to writing to full review.
- Rhythm Word (free to download, iOS) automates spaced repetition scheduling and generates personalized sentences so you learn words in context, not in isolation.
What TOEFL Actually Tests: Vocabulary Is Not What You Think
Before building a study plan, you need to understand what the TOEFL iBT is actually measuring when it tests vocabulary. Most test-takers assume "vocabulary" means definitions. The test assumes something more demanding.
Vocabulary in TOEFL Reading
The TOEFL Reading section contains vocabulary-in-context questions on every passage. These questions don't ask for a definition; they ask you to identify which of four words could replace the highlighted word without changing the meaning of the passage. That distinction is critical. You need to understand the word's precise meaning, its connotations, and how it functions in an academic sentence. A rough definition stored in isolation rarely gets you there.
The passages themselves draw heavily from academic prose (biology, economics, history, environmental science). The words that appear most often are not SAT-style obscurities. They are what linguist Averil Coxhead identified in 2000 when she analyzed 3.5 million words of academic text and produced the Academic Word List (AWL): 570 word families that appear consistently across academic disciplines. These words (analyze, constitute, derive, evaluate, function, indicate, principle, significant) are the vocabulary of academic thought. They appear in TOEFL passages constantly.
Vocabulary in TOEFL Listening
The Listening section tests vocabulary differently. Lectures and conversations use nuanced synonyms and transitional language, words that signal the speaker's rhetorical intent. When a professor says "in contrast," "this accounts for," or "it would follow that," test-takers who don't recognize these phrases miss the logical structure of the lecture and lose points on comprehension questions.
Vocabulary in TOEFL Speaking and Writing
In Speaking and Writing, your vocabulary is directly assessed. The rubrics explicitly reward lexical range, using precise, varied academic language. Using said when you could write asserted, or big when substantial fits, costs you on the scoring rubric. The Writing section in particular rewards academic verbs: analyze, synthesize, evaluate, contrast, attribute, imply.
The Three-Layer TOEFL Vocabulary Framework
Effective TOEFL vocabulary preparation covers three layers:
- AWL Sublist 1–4 — The 240 highest-frequency academic word families. Non-negotiable.
- High-frequency TOEFL content words — Topic-specific words from biology, economics, history, and environmental science passages.
- Discourse and transition vocabulary — Words that signal argument structure: however, consequently, nevertheless, in contrast, it follows that.
Most TOEFL vocabulary lists stop at layer one. This plan covers all three.
Why Most TOEFL Vocabulary Study Methods Fail
The three most common study approaches, and why they underperform:
1. Cramming the Night Before
Every neuroscientist agrees: massed practice (studying a large batch of material in a single session) produces short-term retention and catastrophic long-term forgetting. The TOEFL is taken weeks or months after heavy study. Words memorized in a 4-hour session the night before a review date will be largely forgotten within a week, as Ebbinghaus's original forgetting curve research (1885, replicated many times since) demonstrated. Cramming is not a vocabulary strategy; it's a temporary illusion of knowing.
2. Reading Word Lists Without Context
A definition alone ("attribute (v): to regard something as caused by someone or something") creates a fragile memory trace. The brain stores information in networks of association. A word learned without context has one connection: the definition. A word learned inside a sentence, linked to a story or image, has multiple retrieval paths. Research by Nation (2001) on vocabulary acquisition found that words encountered in context are retained at significantly higher rates than decontextualized definitions, particularly after a delay of more than 72 hours.
3. Passive Review (Re-reading = Re-forgetting)
Re-reading a word list feels productive. It is not. In their 2006 study, Roediger and Karpicke demonstrated that retrieval practice (being tested on material rather than re-exposed to it) produces dramatically better long-term retention than re-reading. Students who studied by re-reading outperformed recall-practice students on tests taken immediately after study. One week later, the recall-practice students significantly outperformed re-readers. The TOEFL is not taken immediately after study. Re-reading is the wrong tool.
The Science Behind Effective TOEFL Vocabulary Learning
Three mechanisms, used together, produce the retention rates that turn 72-scorers into 100+ scorers.
Spaced Repetition
Hermann Ebbinghaus established in 1885 that memory decays exponentially over time, but that each successful retrieval resets and extends the decay curve. The practical implication: review a word just before you would forget it, and the next forgetting interval stretches further. Do this four or five times, and the word moves into long-term memory. This is the principle behind spaced repetition systems (SRS), algorithms that calculate optimal review intervals for each word individually, based on your performance history.
The key word is individually. Not every word deserves the same interval. A word you know cold should be reviewed in three weeks. A word you keep missing should be reviewed tomorrow. Generic study schedules cannot do this. Software can.
Active Recall
Roediger and Karpicke's 2006 findings, published in Psychological Science, showed that the act of retrieving a memory (not re-reading it) is what consolidates that memory. Every time you successfully pull a word's meaning from your own mind (rather than having it shown to you), you strengthen that neural pathway. This is why fill-in-the-blank exercises, definition-matching, and sentence-construction exercises outperform flashcard re-reading.
Contextual Sentence Learning
Vocabulary acquisition research consistently shows that words learned inside natural, level-appropriate sentences are retained better and used more accurately than words learned from definitions alone. The sentence does multiple things at once: it demonstrates grammatical behavior (is the word followed by of, for, or to?), it demonstrates register (is this formal academic language or conversational?), and it creates a memorable image or scenario that gives the brain multiple retrieval hooks.
The challenge is finding good example sentences. Standard dictionaries use sentences that are either too simple ("The factor was important.") or too dated. personalized sentences calibrated to your level solve this, which is the core of what Rhythm Word does.
The 8-Week TOEFL Vocabulary Study Plan
Overview: Daily Time Investment
| Week | Focus | Words/Day | Minutes/Day | Cumulative Words |
|---|---|---|---|---|
| 1–2 | AWL Foundation (Sublists 1–2) | 12–15 | 20 | ~180 |
| 3–4 | Reading Comprehension Words | 12–15 | 20 | ~360 |
| 5–6 | Listening & Speaking Vocab | 10–12 | 25 | ~500 |
| 7 | Writing Vocabulary | 10 | 25 | ~570 |
| 8 | Full Review + Mock Test | Review only | 30 | — |
20–25 minutes per day is the evidence-backed sweet spot for vocabulary acquisition. Longer sessions produce diminishing returns due to cognitive fatigue; shorter sessions don't provide enough retrieval cycles.
Week 1–2: Foundation — AWL Sublists 1–2
Goal: Build a reliable foundation of the 180 highest-frequency academic word families.
AWL Sublist 1 contains 60 word families, words like analyze, approach, area, assess, assume, authority, available, benefit, concept, consistent, constitutional, context, contract, create, data, definition, derived, distribution, economic, environment, established, estimate, evidence, export, factors, financial, formula, function, identified, income, indicate, individual, interpretation, involved, issues, labor, legal, legislation, major, method, occur, percent, period, policy, principle, procedure, process, required, research, response, role, section, sector, significant, similar, source, specific, structure, theory, variables.
Sublist 2 adds the next 60 highest-frequency families.
Daily Schedule (20 minutes)
| Time Block | Activity | Duration |
|---|---|---|
| 0–5 min | New words: 3 new words with personalized sentences | 5 min |
| 5–12 min | Active recall: yesterday's 3 words (no hints) | 7 min |
| 12–17 min | Spaced review: words flagged from past 5 days | 5 min |
| 17–20 min | Quick listen: read 2 words aloud in their sentences | 3 min |
Rhythm Word Setup
Download Rhythm Word and select TOEFL as your exam focus. The app will pull from its curated TOEFL word database. Set your daily target to 3 new words. This sounds conservative; it isn't. Three new words studied with active recall and spaced repetition beats 30 words skimmed from a list. The app's FSRS algorithm will automatically schedule reviews, so you don't need to track anything manually.
Enable offline mode before your first commute session. All words, audio, and generated sentences sync locally.
Week 1–2 Milestone: By end of Week 2, you should recognize all 180 Sublist 1–2 words on sight and be able to use 60% of them in a sentence.
Week 3–4: Reading Comprehension Words
Goal: Extend into AWL Sublists 3–4 and add high-frequency TOEFL reading content words.
By Week 3, your spaced repetition queue from Weeks 1–2 is running in the background. Rhythm Word handles this automatically; you'll see 5–8 review words each session before your new words appear. Trust the algorithm. Don't skip reviews to get to new content faster. The reviews are the learning.
AWL Sublists 3–4 include word families like alternative, circumstance, comment, compensation, component, consent, considerable, constant, constraint, contribution, convention, coordination, core, corporate, correspond, criteria, deduction, demonstrate, document, dominant, emphasis, ensure, exclude, framework, fund, generate, impact, injury, institute, investment, involvement, isolation, justify, layer, link, location, maximize, minor, negate, outcome, partnership, philosophy, physical, proportion, publish, reaction, register, rely, remove, scheme, sequence, sex, shift, specify, sufficient, task, technical, techniques, technology, valid, volume.
Add 20–30 high-frequency TOEFL reading content words per topic area: biology (organism, habitat, adaptation, species, predator), economics (inflation, supply, demand, fiscal, monetary), history (colonization, empire, migration, sovereignty, treaty).
Daily Schedule (20 minutes)
| Time Block | Activity | Duration |
|---|---|---|
| 0–7 min | Spaced review queue (Rhythm Word auto-generates) | 7 min |
| 7–12 min | 3 new AWL Sublist 3–4 words with sentences | 5 min |
| 12–17 min | Active recall: this week's new words | 5 min |
| 17–20 min | Read one TOEFL practice paragraph; identify AWL words | 3 min |
Week 3–4 Milestone: Complete 2 TOEFL Reading practice passages. Target: answer vocabulary-in-context questions correctly without looking up words.
How Rhythm Word's Spaced Repetition Works
Rhythm Word uses the FSRS (Free Spaced Repetition Scheduler) algorithm with memory curve tracking. When you review a word, the target word appears bold in a sentence, meaning you remember it. If your recall is fuzzy, tap the word to turn it orange. If you've forgotten it, tap again to turn it red. Each status adjusts the next review interval accordingly. A word you marked as remembered might not appear for 12 days. A word you marked as forgotten reappears within 24 hours.
Critically, the sentence generation provides fresh sentences each session. In Week 1, example sentences for significant might use simpler contexts. By Week 5, the same word appears in sentences with subordinate clauses and academic hedging language, training you to recognize the word in more complex contexts, which is exactly what TOEFL Reading passages require.
Week 5–6: Listening & Speaking Vocabulary
Goal: Master transition words, nuanced synonyms, and collocations for TOEFL Listening comprehension and Speaking fluency.
TOEFL Listening tests your ability to follow academic lectures. The words that trip up non-native speakers are not always difficult vocabulary; they're discourse markers that signal logical relationships.
High-Priority Transition and Discourse Vocabulary
| Category | Words to Master |
|---|---|
| Contrast | however, nevertheless, in contrast, on the other hand, conversely, that said |
| Causation | consequently, therefore, as a result, it follows that, accounts for, stems from |
| Addition | furthermore, in addition, moreover, what is more, not only…but also |
| Exemplification | for instance, specifically, to illustrate, a case in point, namely |
| Concession | although, while, even though, granted that, admittedly |
| Qualification | to some extent, in many cases, under certain conditions, broadly speaking |
For Speaking, the TOEFL rubric rewards lexical precision. Common high-value synonym swaps: important → significant/crucial/pivotal, show → demonstrate/indicate/reveal, think → argue/assert/contend, use → employ/utilize/apply, problem → challenge/obstacle/complication.
Collocations (fixed word pairings) are particularly valuable because they make your spoken English sound natural to raters. Learn: draw a conclusion, raise an issue, play a role, take into account, give rise to, exert influence, reach a consensus.
Daily Schedule (25 minutes)
| Time Block | Activity | Duration |
|---|---|---|
| 0–8 min | Spaced review queue (growing queue from Weeks 1–4) | 8 min |
| 8–14 min | 3 new transition/synonym/collocation sets | 6 min |
| 14–20 min | Listening practice: 1 short TOEFL lecture; note discourse markers | 6 min |
| 20–25 min | Speaking drill: describe a concept using 3 new words from this week | 5 min |
Week 7: Writing Vocabulary
Goal: Internalize the academic verbs and discourse markers that TOEFL Writing raters reward.
TOEFL Writing Integrated and Academic Discussion tasks are evaluated on lexical resource. The single fastest way to improve your lexical resource score is mastering a core set of academic verbs and using them precisely.
Essential Academic Verbs for TOEFL Writing
| Verb | Meaning in Academic Context | Common Pattern |
|---|---|---|
| analyze | examine systematically | analyze + noun phrase |
| assert | state confidently without proof | assert + that clause |
| attribute | assign cause to source | attribute X to Y |
| characterize | describe defining features | characterize X as Y |
| contend | argue a position | contend + that clause |
| demonstrate | show through evidence | demonstrate + that clause |
| distinguish | identify as separate/different | distinguish X from Y |
| evaluate | assess value or quality | evaluate + noun phrase |
| imply | suggest without stating directly | imply + that clause |
| indicate | point to, suggest | indicate + that clause |
| interpret | explain the meaning of | interpret X as Y |
| refute | disprove, counter | refute + noun phrase |
| synthesize | combine multiple sources | synthesize X and Y |
Discourse Markers for Academic Paragraphs
Strong TOEFL essays use markers that signal paragraph function: the author contends that…, this supports the argument that…, in contrast to the reading passage…, while the lecture disputes this claim…, taken together, these points suggest…
Daily Schedule (25 minutes)
| Time Block | Activity | Duration |
|---|---|---|
| 0–8 min | Full spaced review queue | 8 min |
| 8–15 min | 3 new academic verbs with sentence patterns | 7 min |
| 15–25 min | Writing drill: one TOEFL Integrated writing outline, forcing use of 4 new verbs | 10 min |
Week 8: Full Review + Mock Test
Goal: Stress-test retention, identify weak words, simulate real test conditions.
By Week 8, you have ~570 words in your Rhythm Word queue plus topic-specific content vocabulary. Your spaced repetition algorithm knows which words you've been missing. Week 8 is about converting those weak spots into solid retrieval.
Day 1–2: Weak Word Audit
In Rhythm Word, review words that have been marked orange or red recently. These are your target words for the week. Study them daily. Don't add new words; consolidate what you have.
Day 3–4: Full-Length TOEFL Mock Reading
Take a full TOEFL Reading section under timed conditions (54–72 minutes, 3 passages). After completion, identify every vocabulary word you were unsure about. Add any you missed to Rhythm Word.
Day 5–6: Vocabulary in Context Drill
Take 20 vocabulary-in-context questions from TOEFL Official Guide or ETS practice sets. Time yourself at 30 seconds per question maximum. This trains the speed and confidence needed for test day.
Day 7: Light Review + Rest
Run one final Rhythm Word session (15 minutes, review only). Then stop. Cramming the day before a test is counterproductive. Trust the 7 weeks of work behind you.
Top 30 TOEFL Vocabulary Words You Must Know
These 30 words appear in TOEFL passages at extremely high frequency and appear on the Academic Word List. Master all 30 in context, not just definition.
| Word | Part of Speech | Definition | Personalized Example Sentence |
|---|---|---|---|
| analyze | verb | examine systematically to understand structure or meaning | Researchers must analyze large datasets carefully before drawing conclusions about climate patterns. |
| assert | verb | state a fact or belief confidently and forcefully | The historian asserts that trade routes were the primary driver of cultural diffusion in the ancient world. |
| assume | verb | accept as true without evidence | The economic model assumes that all market participants behave rationally, a premise that behavioral economists dispute. |
| attribute | verb | regard something as caused by or belonging to | Scientists attribute the decline in bee populations to a combination of pesticide use and habitat loss. |
| category | noun | a group of things with shared characteristics | The report organizes findings into three broad categories: environmental, social, and economic impacts. |
| circumstance | noun | a condition or fact that affects a situation | Under most circumstances, the immune system neutralizes pathogens before symptoms develop. |
| compensate | verb | counteract or make up for a negative effect | Higher coastal winds in summer compensate for reduced precipitation by moderating temperatures. |
| complex | adjective | consisting of many interconnected parts | The relationship between diet and cognitive decline is far more complex than early studies suggested. |
| concept | noun | an abstract idea or general principle | The concept of natural selection transformed how biologists understand species diversity. |
| consistent | adjective | acting or done in the same way over time; compatible with | The archaeological evidence is consistent with the theory that early humans arrived via coastal migration. |
| constitute | verb | be a part or component of; amount to | Informal employment may constitute as much as 40% of total economic activity in developing economies. |
| context | noun | the circumstances that form the setting for an event | Historical documents must be interpreted within their political context to be understood accurately. |
| contract | verb | decrease in size; enter a legal agreement | As the economy continued to contract, consumer confidence fell sharply across all income groups. |
| create | verb | bring something into existence | The volcanic activity along the rift zone creates new seafloor at a rate of several centimeters per year. |
| derive | verb | obtain from a specified source | Much of the region's legal framework is derived from Roman law introduced during the period of colonial rule. |
| distribute | verb | spread or disperse over an area; supply to multiple points | Nutrients are distributed throughout the plant via a vascular system that functions similarly in all flowering species. |
| economy | noun | the system of production and trade in a region | A knowledge-based economy requires sustained investment in education and research infrastructure. |
| evaluate | verb | assess or judge the quality of | Before adopting a new policy, government agencies must evaluate both its potential benefits and unintended consequences. |
| evidence | noun | available facts indicating whether a belief is true | The evidence supporting plate tectonics was initially rejected by the geological community before accumulating beyond dispute. |
| factor | noun | a circumstance contributing to a result | Researchers identified sleep deprivation as a key factor in reduced academic performance among college students. |
| function | noun/verb | purpose or role; operate or work | The prefrontal cortex functions as the brain's primary center for decision-making and impulse regulation. |
| imply | verb | suggest without explicitly stating | The study's results imply that early intervention is significantly more effective than treatment after symptoms appear. |
| indicate | verb | point to; be a sign of | A drop in consumer spending typically indicates that households anticipate economic difficulty in the near term. |
| interpret | verb | explain the meaning of | Scholars continue to interpret the monument's alignment with solar events as evidence of advanced astronomical knowledge. |
| method | noun | a particular way of doing something | The double-blind method is considered the gold standard for eliminating bias in clinical drug trials. |
| obtain | verb | acquire or come to have | Once organisms obtain energy from food, they convert it into the chemical forms required for cellular processes. |
| occur | verb | happen; take place | Significant genetic mutations occur in every generation, though most are neutral or eliminated through natural selection. |
| principle | noun | a fundamental rule or belief | The principle of competitive exclusion holds that two species competing for identical resources cannot coexist indefinitely. |
| process | noun | a series of actions toward a particular end | The peer review process requires that research findings be evaluated by independent experts before publication. |
| significant | adjective | sufficiently large or important to be noteworthy | The experiment produced a statistically significant result, suggesting the relationship is unlikely to be due to chance. |
Rhythm Word vs Other TOEFL Vocabulary Methods
There are four realistic approaches most TOEFL test-takers consider. Here's how they compare on criteria that actually matter for exam preparation.
| Criteria | Rhythm Word | Anki | Quizlet | Magoosh Vocab | Word List PDF |
|---|---|---|---|---|---|
| Adaptive spaced repetition | Yes (FSRS) | Yes (manual setup) | Basic | Basic | No |
| personalized context sentences | Yes | No | No | No | No |
| TOEFL-specific word sets | Yes | User-built | User-built | Yes | Varies |
| Level-adaptive sentences | Yes | No | No | No | No |
| Offline capable | Full | Full | Limited | No | Yes |
| iOS app | Yes | $24.99 | Free/paid | No | N/A |
| Monthly cost | Free to download; subscriptions from $9.99/mo | Free/Android; $24.99 iOS | Free/$7.99 | $19.99 | Free |
| Zero setup required | Yes | No (deck building) | No (deck building) | Yes | Yes |
Anki is powerful but requires significant setup time. You need to find or build a deck, configure SRS settings, and source your own example sentences. For users with experience building Anki decks, this works well. For most TOEFL test-takers who want to study rather than configure software, the overhead is a real cost.
Quizlet excels at collaborative deck sharing; there are hundreds of community-built TOEFL decks. The spaced repetition implementation is basic (uniform intervals rather than adaptive), and sentences are often user-generated and inconsistent in quality.
Magoosh Vocabulary is purpose-built for standardized tests and includes GRE-level words that overlap significantly with TOEFL. The app has solid example sentences, but no adaptive generation means sentences don't adapt as your level advances. No offline access limits usability during commutes.
Word list PDFs cost nothing and provide a reference, but they are entirely passive. There is no mechanism for retrieval practice, no spaced repetition, no feedback on what you know versus what you only think you know.
Rhythm Word combines adaptive FSRS (no manual configuration), personalized sentences calibrated to your level, full offline capability, and TOEFL-specific word sets. It is free to download with optional premium subscriptions for full access. For this specific use case, it is a strong choice at any price point.
Frequently Asked Questions About TOEFL Vocabulary
How many vocabulary words do I need for TOEFL?
There is no single definitive number, but most TOEFL preparation experts point to the Academic Word List's 570 word families as the essential target. Research by Coxhead (2000) found that AWL words account for approximately 10% of words in academic texts, and given how frequently they appear in TOEFL passages, mastering AWL gives you the highest return per word studied. Beyond the AWL, 300–400 high-frequency content words from biology, economics, history, and environmental science topics round out effective preparation. Total target: roughly 800–1,000 word families, understood in context rather than just defined.
How long does it take to improve TOEFL vocabulary?
Most test-takers see measurable improvement in vocabulary-in-context accuracy within 3–4 weeks of consistent spaced repetition practice. Significant score improvement (5–10 points on the Reading section) typically requires 6–10 weeks of daily practice. The key variable is consistency: 20 minutes daily over 8 weeks produces better results than 3-hour sessions twice a week, because spaced repetition depends on distributed practice over time. The plan in this post is specifically designed as an 8-week arc for this reason.
Is the Academic Word List enough for TOEFL?
The AWL is necessary but not sufficient. It covers the highest-frequency academic vocabulary across disciplines, which forms the backbone of TOEFL vocabulary preparation. However, TOEFL passages include topic-specific content words that don't appear in the AWL, terms from biology, economics, or history that require familiarity with their disciplinary meaning. Additionally, TOEFL Listening requires comfort with discourse and transition language that is not well-represented in the AWL. The most effective approach layers AWL mastery with content vocabulary and discourse markers, as structured in the 8-week plan above.
How many words should I study per day for TOEFL?
The research-backed answer is 10–15 new word families per day, but only if studied with active recall and spaced repetition scheduling. Studying 30–50 words per day via passive reading produces marginal retention and is not effective for exam preparation. The 8-week plan targets 12–15 new words per day in Weeks 1–4, scaling to 10 new words in Weeks 5–7 as the spaced repetition review queue grows. By Week 6, a meaningful portion of each daily session is review rather than new acquisition, which is by design, because the reviews are what cement the words into long-term memory.
What is the best TOEFL vocabulary app?
For most TOEFL test-takers, Rhythm Word is a strong option in 2026. It combines adaptive FSRS spaced repetition (no manual configuration), personalized example sentences calibrated to your current level, full offline capability, and a curated TOEFL word set. The app is free to download with premium subscription options (Monthly $9.99, Quarterly $23.99, Yearly $59.99). Anki is a powerful alternative for users willing to invest time in setup and deck building. Magoosh Vocabulary is solid for GRE-level test prep and overlaps significantly with TOEFL. For test-takers who want a purpose-built, minimal-setup solution optimized for the specific vocabulary profile of the TOEFL iBT, Rhythm Word is the recommendation.
Conclusion: 8 Weeks, One Method, One Tool
The difference between a 72 and a 104 on the TOEFL iBT is rarely intelligence. It is almost always method. The test-takers who reach 100+ are not the ones who studied the most words; they're the ones who retained the words they studied.
The 8-week plan in this post is built on decades of cognitive science research, structured around the specific vocabulary demands of the TOEFL iBT, and calibrated to 20–25 minutes of daily study. Week 1 through Week 8, the work compounds: your spaced repetition queue grows, your review sessions become faster as more words solidify, and your reading and listening comprehension improve as individual words stop requiring conscious effort to retrieve.
The tool that makes this plan executable (and not just theoretical) is Rhythm Word. Its adaptive algorithm does the scheduling. Its personalized sentences do the contextual learning. You provide the 20 minutes.
Download Rhythm Word on the App Store: https://apps.apple.com/app/rhythm-word/id6757683503
Start Week 1 today. Study 3 words. Let the algorithm take it from there.
Related Reading
Rhythm Word is available on iOS. If the way we think about vocabulary learning resonates with you, we would love for you to try it.
Download on the App Store