koivskrWhat's the difference?

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

Which to use

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

#29,838
“koi” frequency rank
#38,885
“kr” frequency rank
68723
confusion score

Side-by-Side Comparison

Feature koi kr
Definition Autre orthographe de koï (race de carpe du Japon, aussi appelée carpe japonaise). Abréviation de couronne norvégienne (monnaie).

Where the eye mixes koi and kr

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

3 ch
koi
2 ch
kr

Visual trap between koi and kr

These two trip readers on the page rather than in the ear: koi is \kɔj\ while kr is /ˈkruvdnu/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68723, derived from the frequency rank of both members and their visual similarity.

koi is recorded at frequency rank #29,838, classified as anadj, pronounced \kɔj\. kr is at rank #38,885, tagged as anoun, pronounced /ˈkruvdnu/.

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 68723, this pair ranks #57,974 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of koi vs kr

Shared letters: k. Private to "koi": io. Private to "kr": r.

"koi" · 3 letters · shape CVV  ·  "kr" · 2 letters · shape CC

Frequently Asked Questions

Do "koi" and "kr" mean the same thing in a sentence?
No - they are not even the same part of speech. "koi" is an adjective and "kr" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "koi" or "kr"?
"koi" is the more common of the two: it sits at frequency rank #29,838 in our French list, against #38,885 for "kr". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "koi" and "kr" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "koi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kr" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,974 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "koi" and "kr" also get mixed up with nearby pairs, the highest-scored neighbour is "kr vs ky". Nearby pair

Confusion rank #57,974 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