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lexis · books measured against the Oxford word lists

How much of a book is the vocabulary you are learning?

Each page below takes one book, keeps its content words, and draws them against the Oxford 3000 (A1–B2) and the +2000 increment of the Oxford 5000 (B2–C1) — as an Euler diagram whose areas are exact to the word. Every region — what the book teaches, what it never uses, what only it knows — downloads as a CSV or an Anki deck.

Extractthe chapters of an EPUB or FB2, front and back matter dropped
Lemmatisenouns, verbs, adjectives and adverbs of three letters or more; names and function words are left out on both sides
Draw1 word = 1 unit² — the book disc overlaps the two lists exactly as much as its vocabulary does

Books

Cover of Between Two Fires

Between Two Fires

Christopher Buehlman

≈ 480 pages · 10 h of reading · 48 chapters

Difficulty 4.4 / 10

Oxford 3000: 89%of the text · the rest ≈ 26 words per page
Oxford 5000: 92%of the text · the rest ≈ 19 words per page
To reach 95%: +192most frequent words on top of Oxford 5000

Cover of Dune

Dune

Frank Herbert

Dune · #1 of 6

≈ 807 pages · 17 h of reading · 52 chapters

Difficulty 5.0 / 10

Oxford 3000: 89%of the text · the rest ≈ 28 words per page
Oxford 5000: 93%of the text · the rest ≈ 18 words per page
To reach 95%: +172most frequent words on top of Oxford 5000

Cover of Dungeon Crawler Carl

Dungeon Crawler Carl

Matt Dinniman

Dungeon Crawler Carl · #1 of 8

≈ 521 pages · 11 h of reading · 56 chapters

Difficulty 3.4 / 10

Oxford 3000: 90%of the text · the rest ≈ 24 words per page
Oxford 5000: 94%of the text · the rest ≈ 16 words per page
To reach 95%: +43most frequent words on top of Oxford 5000

Cover of Hyperion

Hyperion

Dan Simmons

Hyperion Cantos · #1 of 4

≈ 693 pages · 14 h of reading · 9 chapters

Difficulty 6.0 / 10

Oxford 3000: 88%of the text · the rest ≈ 31 words per page
Oxford 5000: 92%of the text · the rest ≈ 21 words per page
To reach 95%: +436most frequent words on top of Oxford 5000

Cover of Mistborn: The Final Empire

Mistborn: The Final Empire

Brandon Sanderson

Mistborn · #1 of 7

≈ 850 pages · 18 h of reading · 40 chapters

Difficulty 4.1 / 10

Oxford 3000: 91%of the text · the rest ≈ 23 words per page
Oxford 5000: 94%of the text · the rest ≈ 15 words per page
To reach 95%: +21most frequent words on top of Oxford 5000

Cover of Piranesi

Piranesi

Susanna Clarke

≈ 245 pages · 5.1 h of reading · 7 chapters

Difficulty 2.7 / 10

Oxford 3000: 94%of the text · the rest ≈ 16 words per page
Oxford 5000: 96%of the text · the rest ≈ 10 words per page
To reach 95%: 0Oxford 5000 already covers 95% of the text

Cover of Project Hail Mary

Project Hail Mary

Andy Weir

≈ 595 pages · 12 h of reading · 30 chapters

Difficulty 2.7 / 10

Oxford 3000: 91%of the text · the rest ≈ 22 words per page
Oxford 5000: 94%of the text · the rest ≈ 14 words per page
To reach 95%: +14most frequent words on top of Oxford 5000

Cover of Red Rising

Red Rising

Pierce Brown

Red Rising Saga · #1 of 7

≈ 504 pages · 10 h of reading · 49 chapters

Difficulty 4.9 / 10

Oxford 3000: 90%of the text · the rest ≈ 26 words per page
Oxford 5000: 93%of the text · the rest ≈ 18 words per page
To reach 95%: +163most frequent words on top of Oxford 5000