caféine

\ka.fe.in\

/\ka.fe.in\/ noun

The verdict

“caféine” has 10 generated spelling variants in the French index at frequency #21,878. The variants make it a useful spelling check.

#21,878
frequency rank, French
8,609
“C” headwords
10
tracked misspellings
9
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Composé chimique dérivé triméthylé de la xanthine et principe actif du café aux effets stimulants sur le système nerveux central.

Corpus desk

Index FR-cafeine · caféine · French

caféine · rank #21,878 · 10 variants · 9 confusables

  • FREQ-MID #21,878
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-MID 9 pairs
  • VAR-MID 10 variants
  • BOOK-DENSE 8,609
  • PHOTO-FINISH bronzage

Nearest frequency peer: bronzage (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Pairs de rang près de l'aimant d'erreurs « caféine »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « caféine » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

caféine vs canine
71% similar
caféine vs Carine
57% similar
caféine vs carène
57% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for caféine
PropertyValue
Headwordcaféine
LanguageFrench
Part of speechNoun
IPA\ka.fe.in\
Letters7
Frequency rank#21,878
Misspellings tracked10
Confusable pairs9
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « caféine »

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.caféinese place ici:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Dans la même bande de rareté figurent « bronzage » (#21,877), « caissière » (#21,879), « Britney » (#21,876). Parmi 8,609 lemmes en « C », « caféine » est au #21,878. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around caféine (IPA \ka.fe.in\), anoun. Corpus frequency is #21,878 among 8,609 “C” headwords. Dominant gloss: "Composé chimique dérivé triméthylé de la xanthine et principe actif du café aux effets stimulants sur le système nerveux central.".

Our generated misspelling index lists 10 likely wrong-spelling variants for caféine, with forms such as "acféine", "cafeine", and "cafféine". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 9 confusable-pair relationships, "canine", "Carine", "carène", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is caféine, spelled C-A-F-É-I-N-E.

Definition

  1. 1
    Composé chimique dérivé triméthylé de la xanthine et principe actif du café aux effets stimulants sur le système nerveux central.

Recorded use

Wiktionary examples

These source excerpts show how caféine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Caféine. — Existe dans beaucoup de plantes, café, thé, cola, maté, guarana.
  2. Les industriels se sont acharnés, à coups de tests sur des cohortes de rats, à démontrer que les boissons énergisantes enrichies en substances excitantes comme la caféine, la taurine ou le glucuronolactone étaient inoffensives. — (« Sodas : Sugarland, baby », Malbouffe, le dico, Les Dossiers du Canard enchaîné nᵒ 147, avril 2018, page 74)

Synonyms

théine1,3,7-triméthylxanthineguaraninematéineméthylthéobromineméthylthéophylline

This word in other languages

Common misspellings

Also misspelled as:

  • acféine
  • cafeine
  • cafféine
  • cafiéne
  • caféien
  • caféinne
  • cafénie
  • caéfine
  • ccaféine
  • cfaéine

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of caféine - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

acféine2cafeine1cafféine1cafiéne2caféien2caféinne1cafénie2caéfine2
Edit distance from "caféine"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "caféine"?
"caféine" is spelled C-A-F-É-I-N-E. The IPA pronunciation is \ka.fe.in\.
What does "caféine" mean?
As a noun, "caféine" means: Composé chimique dérivé triméthylé de la xanthine et principe actif du café aux effets stimulants sur le système nerveux central.
What words are commonly confused with "caféine"?
"caféine" is commonly confused with "canine", "Carine", "carène". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "caféine"?
The IPA (International Phonetic Alphabet) transcription for "caféine" is \ka.fe.in\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "caféine" come from?
"caféine" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "caféine", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 7 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list