Zipf law plot (frequency as function of frequency rank) for various texts.

The languages, texts and the word frequency files are:

[[German language|German]]. Text of ''[[The Adventures of Simplicius Simplicissimus]]'' (''Der Abenteuerliche Simplicissimus Teutsch''), a novel by Hans von Grimmelshausen (~1669). Recast in modern spelling, excluding numerals, poems, and foreign laguage insertions. Mapped to lowercase.

* Whole text. Sample: ''<nowiki>es eröffnet sich zu dieser unserer zeit von welcher man glaubt daß es</nowiki>'' [...] ''<nowiki>ganz</nowiki>''. File germ/sim/tot.1/gud.wfr (original 184498 words, truncated/filtered to 35027 words, ''N'' = 6826 distinct).

[[Russian language|Russian]]. Text of novel ''[[Roadside Picnic]]'' (''Piknik na obochine'') by [[Arkady Strugatsky|Arkady]] and [[Boris Strugatsky]].  Transliterated from Russian to Latin letters, e.g. 'ю' ⟶ 'yu', 'щ' ⟶ 'shch', with numerals excluded.

* Whole text. Sample: ''<nowiki>nakanune stoim eto my s nim v hranilishche uzhe vecherom ostaetsya</nowiki>'' [...] ''<nowiki>prihozhej poslyshalis' sharkayushchie shagi postukivanie i</nowiki>''. File russ/pic/tot.1/gud.wfr (original 45915 words, truncated/filtered to 35027 words, ''N'' = 9761 distinct).

[[French language|French]]. [[Jules Verne]]'s novel ''[[De la Terre à la Lune]]'' = ''From the Earth to the Moon'' (1865), excluding numbers and footnotes, mapped to lowercase.

* Whole text. Sample: ''<nowiki>pendant la guerre fédérale des états unis un nouveau club très influent</nowiki>'' [...] ''<nowiki>abeille pour parler le langage de vos trappeurs avant</nowiki>''. File fran/tal/tot.1/gud.wfr (original 54061 words, truncated/filtered to 35027 words, ''N'' = 6223 distinct).

[[Italian language|Italian]]. Text of [[Alessandro Manzoni]]'s novel ''I Promessi Sposi'' (''[[The Betrothed (Manzoni novel)|The Bethrothed]]'' (second writing, 1840), excluding numerals and foreign insertions, mapped to lowercase.

* Whole text. Sample: ''<nowiki>quel ramo del lago di como che volge a mezzogiorno tra due catene non</nowiki>'' [...] ''<nowiki>orecchio si rizzano cos'</nowiki>''. File ital/psp/tot.1/gud.wfr (original 216969 words, truncated/filtered to 35027 words, ''N'' = 6623 distinct).

[[English language|English]]. Text of the ''[[Wakefield Mystery Plays]]'' aka ''Towneley Mystery Plays'', popular plays on religious themes (1460). The language is [[Middle English]] with archaic characters replaced.

* Whole text (minus Latin insertions). Sample: ''<nowiki>i am the first the last also oone god in mageste meruelus of myght most</nowiki>'' [...] ''<nowiki>and with in this chyld may</nowiki>''. File engl/twp/tot.1/gud.wfr (original 81498 words, truncated/filtered to 35027 words, ''N'' = 4202 distinct).

The word frequency files '*/*/*/gud.wfr' are available at the [https://www.ic.unicamp.br/~stolfi/EXPORT/projects/voynich/Notes/tr-stats/dat/ UNICAMP website].  The original annotated full texts, before truncation/filtering, are in the companion files */*/org/main.src.  The truncated/filtered texts -- one word per line, without punctuation -- are in */*/*/gud.tlw.