clefsvsclousWhat's the difference?

Which to use

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

#8,516
“clefs” frequency rank
#12,129
“clous” frequency rank
20645
confusion score

Side-by-Side Comparison

Feature clefs clous
Definition Pluriel de clef. Zone protégée par des clous dans un passage clouté.

Where the eye mixes clefs and clous

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
clefs
5 ch
clous

Why the eye confuses clefs with clous

A purely visual mix-up. clefs (\kle\) and clous (\klu\) 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 20645, derived from the frequency rank of both members and their visual similarity.

clefs is recorded at frequency rank #8,516, classified as anoun, pronounced \kle\. clous is at rank #12,129, tagged as anoun, pronounced \klu\.

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 20645, this pair ranks #367,244 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of clefs vs clous

Shared letters: cls. Private to "clefs": ef. Private to "clous": ou.

"clefs" · 5 letters · shape CCVCC  ·  "clous" · 5 letters · shape CCVVC

Known mistypes of this pair

  • clefscclefs · celfs · cleffs · clefss · clesf · clfes · cllefs · lcefs
  • clouscclous · cllous · closu · clouss · cluos · colus · lcous

Frequently Asked Questions

Can "clefs" and "clous" be used interchangeably?
No. They are said differently (\kle\ versus \klu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "clefs" or "clous"?
"clefs" is the more common of the two: it sits at frequency rank #8,516 in our French list, against #12,129 for "clous". 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 "clefs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clous" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #367,244 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "clefs" and "clous" also get mixed up with nearby pairs, the highest-scored neighbour is "casus vs clous". 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 #367,244 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