Tools & Resources 12 min read February 27, 2025

GRE Vocabulary Books Worth Buying in 2025: Honest Rankings

Which GRE vocabulary books are actually worth your money in 2025? Honest rankings of every major GRE vocabulary book, from Barron's to Manhattan Prep to Princeton Review.

GRE vocabulary books have a credibility problem. Most of them recycle the same word lists, offer the same rote-memorization approach, and claim to be the "essential" resource. Some are genuinely useful. Others are overpriced and outclassed by free alternatives.

This guide gives you an honest ranking of the major GRE vocabulary books, what each is actually good for, and whether the price is justified given what's available for free or at lower cost.

Overall Rankings at a Glance

BookWordsPriceRatingBest For
Manhattan Prep GRE: 500 Essential Words500~$16★★★★☆Focused high-quality core list
Barron's Essential Words for the GRE800+~$18★★★★☆Context-rich definitions
Kaplan GRE Vocabulary Prep600+~$22★★★☆☆Practice question integration
Princeton Review GRE Power Vocab800~$16★★★☆☆Mnemonic-heavy learners
Word Power Made Easy (Norman Lewis)Thousands~$15★★★★☆Etymology-based learners
GRE Vocabulary Flashcards (Manhattan Prep)500~$20★★★★☆Portable physical flashcards

Detailed Book Reviews

Manhattan Prep GRE: 500 Essential Words

This is the best dedicated GRE vocabulary book available. The 500-word selection is tightly curated by frequency and GRE relevance — no filler. Each entry includes the definition, part of speech, example sentence, and a section showing the word in GRE-style context. The organization is logical (grouped by word family and theme), which aids retention.

The limitation is scope: 500 words is a solid foundation but insufficient for 160+ verbal. Think of this as your starter list, not your complete preparation. Supplement with a larger digital word database. Worth every dollar of the ~$16 price.

Barron's Essential Words for the GRE

Barron's has been a GRE vocabulary standard for decades, and the current edition justifies the reputation. The 800+ word list covers the core frequency range well, and the definitions include genuine example sentences — not just dictionary-style definitions. The book also covers words grouped by theme, which is useful for learners who remember words better in semantic clusters.

One weakness: the practice exercises are less polished than the word content, and some feel like test questions from a different era. Use the word lists and examples; skip the exercises in favor of actual ETS practice materials.

Kaplan GRE Vocabulary Prep

Kaplan's vocabulary book is competent but not exceptional. The word selection is solid, and the integration with GRE practice question formats (Text Completion, Sentence Equivalence) is a genuine differentiator — other books list words; Kaplan shows you how they appear in actual question formats. The downside: the word list itself feels safer and less comprehensive than Manhattan or Barron's. The GRE-format practice is the reason to consider this book, not the word content itself.

Princeton Review GRE Power Vocab

Power Vocab's signature feature is mnemonics — memory tricks and visual associations for difficult words. If you're a learner who finds mnemonics helpful, this book's approach is genuinely valuable. The word list is competent (800 words) but not exceptional. If mnemonics don't work for your learning style, the other organizational approaches in Manhattan or Barron's serve you better.

Word Power Made Easy (Norman Lewis)

Technically not a GRE book, but consistently recommended by high GRE verbal scorers. Word Power Made Easy teaches vocabulary through Latin and Greek roots, organized into thematic lessons. The result is a deep, transferable understanding of word families — not just isolated definitions. If you have 2–3 months, working through this book alongside a dedicated GRE word list is a powerful combination. See our GRE root words master guide for more on this approach.

Manhattan Prep GRE Vocabulary Flashcards

Physical flashcards for learners who prefer non-digital study tools. The 500 cards match the 500 Essential Words book content. Quality is high — sturdy cards, clean design, GRE-style example sentences. The obvious limitation vs. digital flashcards is no spaced repetition algorithm. If you use physical cards, you'll need to manually sort them (mastered, learning, struggling) and cycle through accordingly.

Books That Are Not Worth Your Money

Several GRE vocabulary books have not kept pace with how the GRE actually tests vocabulary:

  • Very old editions (pre-2016): ETS redesigned the GRE in 2011 to test vocabulary in context rather than direct definitions. Books written before or immediately after this change may emphasize obscure definitional vocabulary that doesn't reflect how the current GRE tests verbal skills.
  • Generic "SAT/GRE/GMAT" combo books: These try to cover three exams and cover none well. GRE vocabulary differs meaningfully from SAT vocabulary in frequency distribution and difficulty level.
  • Any book claiming 2,000+ words without frequency ranking: Without frequency data, you'll spend equal time on obscure words you'll never see and common words you encounter every test.

Books vs. Apps: Which Should You Use?

Physical books offer distraction-free study and don't require a phone. They're better for deep reading and understanding, worse for spaced repetition and tracking. The ideal approach for most students:

  1. Use a vocabulary book (Manhattan or Barron's) to build initial understanding — definitions, contexts, word families
  2. Transfer words to Anki or a dedicated app for daily spaced repetition review
  3. Apply vocabulary through official ETS practice materials

Books build depth; apps build retention. For a complete study system, see our spaced repetition strategy guide.

Is one GRE vocabulary book enough?

One book is a solid foundation, but not a complete system. A book gives you understanding; you still need a spaced repetition tool for long-term retention and official practice materials for application. One book plus Anki plus ETS practice tests covers the full range.

Is Barron's or Manhattan Prep better for GRE vocabulary?

Manhattan Prep for quality and organization; Barron's for slightly more coverage (800 vs. 500 words) and longer example sentences. If choosing one, Manhattan Prep's 500 Essential Words is more efficiently curated. If you have time for both, start with Manhattan and supplement with Barron's.

Should I use vocabulary flashcard books or a digital app?

Digital apps win on spaced repetition, convenience, and tracking. Physical flashcards (or books) win on focus and depth of initial learning. The best approach: use a book to learn words initially, then transfer to a digital app for ongoing review.

How long does it take to get through a GRE vocabulary book?

At 10 words per day, Manhattan's 500-word book takes 50 days. Barron's 800-word book takes 80 days. But "getting through" a book isn't the same as retaining the words — that requires ongoing spaced repetition review after your initial read.

GRE vocabularyGRE booksBarrons GREManhattan Prep GREPrinceton Review GRE

Practice These Words With Visual Flashcards

PassGREGMAT's visual flashcard system uses real photos to lock vocabulary into long-term memory. Free to start — no account needed.