Which to use
“cil” and “cou” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,611
- “cil” frequency rank
- #3,063
- “cou” frequency rank
- 36674
- confusion score
Side-by-Side Comparison
| Feature | cil | cou |
|---|---|---|
| Definition | Poil des paupières. | Partie du corps qui joint la tête aux épaules. |
Where the eye mixes cil and cou
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses cil with cou
A purely visual mix-up. cil (\sil\) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 36674, derived from the frequency rank of both members and their visual similarity.
cil is recorded at frequency rank #33,611, classified as anoun, pronounced \sil\. 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 36674, this pair ranks #267,942 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cil vs cou
Shared letters: c. Private to "cil": il. Private to "cou": ou.
"cil" · 3 letters · shape CVC · "cou" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "cil" for "cou" ever safe?
Frequency check: "cil" vs "cou" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "cil" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #267,942 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cil" and "cou" also get mixed up with nearby pairs, the highest-scored neighbour is "cil vs ciro". Nearby pair
Confusion rank #267,942 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.