cœur vs cou, What's the Difference?

Which to use

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

#552
“cœur” frequency rank: #3,063
“cou” frequency rank: 3615
confusion score

Side-by-Side Comparison

Feature	cœur	cou
Definition	Organe musculaire, creux et pulsatile assurant la circulation sanguine dans le corps humain ou animal.	Partie du corps qui joint la tête aux épaules.

Where the spellings diverge

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

4 ch

cœur

3 ch

cou

Spelling & Dictionary Insight

A purely visual mix-up. cœur (\kœʁ\) and cou (\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 letter(s) in length. Our composite confusion score for this pair is 3615, derived from the frequency rank of both members and their visual similarity.

cœur is recorded at frequency rank #552, classified as anoun, pronounced \kœʁ\. cou is at rank #3,063, 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 3615, this pair ranks #433,610 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cœur vs cou

Shared letters: cu. Private to "cœur": rœ. Private to "cou": o.

"cœur" · 4 letters · shape CVVC · "cou" · 3 letters · shape CVV

Frequency comparison

cœur#552

cou#3,063

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

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

No. They are said differently (\kœʁ\ versus \ku\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

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

"cœur" is the more common of the two: it sits at frequency rank #552 in our French list, against #3,063 for "cou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering cœur vs cou

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 “cœur” entry
Browse more pairs most likely to be confused. Most confusable