kovskouWhich spelling fits?

Which to use

“ko” and “kou” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,864
“ko” frequency rank
#47,413
“kou” frequency rank
57277
confusion score

Side-by-Side Comparison

Feature ko kou
Definition Configuration cyclique de pions, si fréquente que des règles spécifiques la traitent. Tambour chinois.

Where the eye mixes ko and kou

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

2 ch
ko
3 ch
kou

Why the eye confuses ko with kou

A purely visual mix-up. ko (\ko\) and kou (\ku\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “ko” sits inside “kou”. Our composite confusion score for this pair is 57277, derived from the frequency rank of both members and their visual similarity.

ko is recorded at frequency rank #9,864, classified as anoun, pronounced \ko\. kou is at rank #47,413, tagged as anoun, pronounced \ku\.

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 57277, this pair ranks #116,029 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ko vs kou

Shared letters: ko. Private to "ko": -. Private to "kou": u.

"ko" · 2 letters · shape CV  ·  "kou" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "ko" for "kou" ever safe?
No. They are said differently (\ko\ versus \ku\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ko" vs "kou" - which ranks higher?
"ko" is the more common of the two: it sits at frequency rank #9,864 in our French list, against #47,413 for "kou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ko" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #116,029 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ko" and "kou" also get mixed up with nearby pairs, the highest-scored neighbour is "kou vs ky". Nearby pair

Confusion rank #116,029 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