cou vs kou, What's the Difference?

Which to use

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

#3,063
“cou” frequency rank: #47,413
“kou” frequency rank: 50476
confusion score

Side-by-Side Comparison

Feature	cou	kou
Definition	Partie du corps qui joint la tête aux épaules.	Tambour chinois.

Where the spellings diverge

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

3 ch

cou

3 ch

kou

Spelling & Dictionary Insight

This is the hard kind. cou and kou are pronounced identically (\ku\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by a single letter - c in “cou” becomes k in “kou”. Our composite confusion score for this pair is 50476, derived from the frequency rank of both members and their visual similarity.

cou is recorded at frequency rank #3,063, classified as anoun, pronounced \ku\. 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 50476, this pair ranks #162,322 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cou vs kou

Shared letters: ou. Private to "cou": c. Private to "kou": k.

"cou" · 3 letters · shape CVV · "kou" · 3 letters · shape CVV

Frequency comparison

cou#3,063

kou#47,413

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "cou" and "kou" be used interchangeably?

No. They are pronounced the same (\ku\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.

Which is more common, "cou" or "kou"?

"cou" is the more common of the two: it sits at frequency rank #3,063 in our French list, against #47,413 for "kou". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering cou vs kou

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “cou” entry
Browse more pairs most likely to be confused. Most confusable