clouvscoûtWhat's the difference?

Which to use

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

#12,128
“clou” frequency rank
#1,767
“coût” frequency rank
13895
confusion score

Side-by-Side Comparison

Feature clou coût
Definition Tige rigide, de fer ou d’autre métal, courte, pointue, et à la tête aplatie ou protubérante, qui sert de cheville pour fixer ou à pendre quelque chose. Ce qu’une chose coûte ; son prix de revient.

Where the eye mixes clou and coût

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. clou (CCVV) and coût (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
clou
4 ch
coût

Why the eye confuses clou with coût

A purely visual mix-up. clou (\klu\) and coût (\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 3 positions. Our composite confusion score for this pair is 13895, derived from the frequency rank of both members and their visual similarity.

clou is recorded at frequency rank #12,128, classified as anoun, pronounced \klu\. coût is at rank #1,767, 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 13895, this pair ranks #399,078 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of clou vs coût

Shared letters: co. Private to "clou": lu. Private to "coût": .

"clou" · 4 letters · shape CCVV  ·  "coût" · 4 letters · shape CVVC

Known mistypes of this pair

  • cloucclou · cllou · cluo · colu · lcou

Frequently Asked Questions

Do "clou" and "coût" mean the same thing in a sentence?
No. They are said differently (\klu\ versus \ku\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "clou" or "coût" show up more?
"coût" is the more common of the two: it sits at frequency rank #1,767 in our French list, against #12,128 for "clou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "clou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coût" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #399,078 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "clou" and "coût" also get mixed up with nearby pairs, the highest-scored neighbour is "clou vs coon". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #399,078 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