cocavscoiTell them apart

Quick tell: coca is a noun, coi is an adjective, so they fill different roles in a sentence.

Which to use

“coca” is a noun and “coi” is an adjective - they look or sound alike but fill different roles in a sentence.

#7,799
“coca” frequency rank
#40,676
“coi” frequency rank
48475
confusion score

Side-by-Side Comparison

Feature coca coi
Definition Plante d’Amérique du Sud de la famille des érythroxylacées utilisée par les populations locales, comme plante médicinale et pour fabriquer la cocaïne, dont les feuilles, mâchées par les courriers, les voyageurs, les mineurs, leur permettent de rester un jour ou deux sans prendre d'aliments solides ou liquides. Qui est calme, tranquille.

Where the eye mixes coca and coi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
coca
3 ch
coi

Why the eye confuses coca with coi

These two trip readers on the page rather than in the ear: coca is \kɔ.ka\ while coi is \kwa\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48475, derived from the frequency rank of both members and their visual similarity.

coca is recorded at frequency rank #7,799, classified as anoun, pronounced \kɔ.ka\. coi is at rank #40,676, tagged as anadj, pronounced \kwa\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 48475, this pair ranks #178,602 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coca vs coi

Shared letters: co. Private to "coca": a. Private to "coi": i.

"coca" · 4 letters · shape CVCV  ·  "coi" · 3 letters · shape CVV

Known mistypes of this pair

  • cocaccoa · ccoca · coac · cocca · occa

Frequently Asked Questions

Do "coca" and "coi" mean the same thing in a sentence?
No - they are not even the same part of speech. "coca" is a noun and "coi" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "coca" vs "coi" - which ranks higher?
"coca" is the more common of the two: it sits at frequency rank #7,799 in our French list, against #40,676 for "coi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "coca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #178,602 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "coca" and "coi" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs coi". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #178,602 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list