coivsquoiWhat's the difference?

Quick tell: coi is a adjective, quoi is a pronoun, so they fill different roles in a sentence.

Which to use

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

#40,676
“coi” frequency rank
#123
“quoi” frequency rank
40799
confusion score

Side-by-Side Comparison

Feature coi quoi
Definition Qui est calme, tranquille. Quelle chose, dans la fonction d’objet.

Where the spellings diverge

Shared letters are muted; the letters that actually set coi and quoi apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
coi
4 ch
quoi

Spelling & Dictionary Insight

Say them out loud and nothing separates them: coi and quoi carry the same recorded pronunciation, \kwa\. Grammar is what tells them apart: one is anadjective, the other apronoun, so most sentences will only accept one of them. They differ by 1 letter(s) in length. Our composite confusion score for this pair is 40799, derived from the frequency rank of both members and their visual similarity.

coi is recorded at frequency rank #40,676, classified as anadj, pronounced \kwa\. quoi is at rank #123, tagged as apron, 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 40799, this pair ranks #237,822 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coi vs quoi

Shared letters: io. Private to "coi": c. Private to "quoi": qu.

"coi" · 3 letters · shape CVV  ·  "quoi" · 4 letters · shape CVVV

Known mistypes of this pair

  • quoiqoui · qquoi · quio · uqoi

Frequency comparison

coi#40,676
quoi#123

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "coi" and "quoi" be used interchangeably?
No - they are not even the same part of speech. "coi" is an adjective and "quoi" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "coi" or "quoi"?
"quoi" is the more common of the two: it sits at frequency rank #123 in our French list, against #40,676 for "coi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering coi vs quoi

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “coi”; for a pronoun, it's “quoi”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “coi” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list