écueilvsécureuilTell them apart

Which to use

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

#31,306
“écueil” frequency rank
#20,895
“écureuil” frequency rank
52201
confusion score

Side-by-Side Comparison

Feature écueil écureuil
Definition Rocher, banc de sable, de coquillages, de corail, que l’on rencontre dans la mer à la surface ou près de la surface des eaux, et contre lequel les navires courent le risque de se briser ou de s’échouer. Petit mammifère rongeur et arboricole doué d’une grande agilité et remarquable par sa queue touffue qui se relève en panache.

Where the eye mixes écueil and écureuil

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
écueil
8 ch
écureuil

Why the eye confuses écueil with écureuil

A purely visual mix-up. écueil (\e.kœj\) and écureuil (\e.ky.ʁœj\) 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 2 letter(s) in length. Our composite confusion score for this pair is 52201, derived from the frequency rank of both members and their visual similarity.

écueil is recorded at frequency rank #31,306, classified as anoun, pronounced \e.kœj\. écureuil is at rank #20,895, tagged as anoun, pronounced \e.ky.ʁœj\.

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 52201, this pair ranks #149,376 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of écueil vs écureuil

Shared letters: ceilué. Private to "écueil": -. Private to "écureuil": r.

"écueil" · 6 letters · shape VCVVVC  ·  "écureuil" · 8 letters · shape VCVCVVVC

Frequently Asked Questions

Can "écueil" and "écureuil" be used interchangeably?
No. They are said differently (\e.kœj\ versus \e.ky.ʁœj\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "écueil" or "écureuil"?
"écureuil" is the more common of the two: it sits at frequency rank #20,895 in our French list, against #31,306 for "écueil". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "écueil" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "écureuil" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #149,376 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "écueil" and "écureuil" also get mixed up with nearby pairs, the highest-scored neighbour is "écueil vs écueils". Nearby pair

Confusion rank #149,376 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