caïdvscoiTell them apart

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

Which to use

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

#23,476
“caïd” frequency rank
#40,676
“coi” frequency rank
64152
confusion score

Side-by-Side Comparison

Feature caïd coi
Definition Gouverneur de province ou de ville chez les Arabes. Qui est calme, tranquille.

Where the eye mixes caïd and coi

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
caïd
3 ch
coi

Look-alike desk: caïd vs coi

These two trip readers on the page rather than in the ear: caïd is \ka.id\ 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 64152, derived from the frequency rank of both members and their visual similarity.

caïd is recorded at frequency rank #23,476, classified as anoun, pronounced \ka.id\. 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 64152, this pair ranks #78,441 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of caïd vs coi

Shared letters: c. Private to "caïd": adï. Private to "coi": io.

"caïd" · 4 letters · shape CVCC  ·  "coi" · 3 letters · shape CVV

Frequently Asked Questions

Can "caïd" and "coi" be used interchangeably?
No - they are not even the same part of speech. "caïd" is a noun and "coi" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "caïd" or "coi" show up more?
"caïd" is the more common of the two: it sits at frequency rank #23,476 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.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "caïd" 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 #78,441 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "caïd" and "coi" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs coi". Nearby pair

Confusion rank #78,441 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