kaovskoiWhat's the difference?

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

Which to use

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

#47,406
“kao” frequency rank
#29,838
“koi” frequency rank
77244
confusion score

Side-by-Side Comparison

Feature kao koi
Definition Champs Autre orthographe de koï (race de carpe du Japon, aussi appelée carpe japonaise).

Letter map: kao vs koi

Shared letters muted; letters that set kao and koi apart highlighted. Shared run: 2. kao and koi follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
kao
3 ch
koi

Role in the sentence - kao and koi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kao is anoun and koianadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 77244, derived from the frequency rank of both members and their visual similarity.

kao is recorded at frequency rank #47,406, classified as anoun. koi is at rank #29,838, tagged as anadj, pronounced \kɔj\.

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 77244, this pair ranks #28,958 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of kao vs koi

Shared letters: ko. Private to "kao": a. Private to "koi": i.

"kao" · 3 letters · shape CVV  ·  "koi" · 3 letters · shape CVV

Frequently Asked Questions

Can "kao" and "koi" be used interchangeably?
No - they are not even the same part of speech. "kao" is a noun and "koi" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "kao" or "koi" show up more?
"koi" is the more common of the two: it sits at frequency rank #29,838 in our French list, against #47,406 for "kao". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "kao" vs "koi" is on the table, pick a follow-up below.

  • Full dictionary entry for "kao" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "koi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,958 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "kao" and "koi" also get mixed up with nearby pairs, the highest-scored neighbour is "kao vs ky". Nearby pair

Confusion rank #28,958 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