Which to use
“écu” and “étau” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,025
- “écu” frequency rank
- #28,420
- “étau” frequency rank
- 56445
- confusion score
Side-by-Side Comparison
| Feature | écu | étau |
|---|---|---|
| Definition | Bouclier que portaient autrefois les chevaliers. | Instrument dont se servent les ouvriers pour tenir fermes et serrés les objets qu’ils travaillent, et qui est formé de deux pièces métalliques, appelées mâchoires serrées par une vis horizontale. Suivant la destination, la coupe des mâchoires est différente et pour les menuisiers, il existe aussi des étaux en bois fixés contre un des pieds support de l'établi. Certains types (étaux de machine) sont conçus pour servir de porte-pièces dans des machines d'usinage. |
Where the eye mixes écu and étau
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. écu runs 3 letters (VCV) against étau's 4 (VCVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses écu with étau
A purely visual mix-up. écu (\e.ky\) and étau (\e.to\) 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 56445, derived from the frequency rank of both members and their visual similarity.
écu is recorded at frequency rank #28,025, classified as anoun, pronounced \e.ky\. étau is at rank #28,420, tagged as anoun, pronounced \e.to\.
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 56445, this pair ranks #121,056 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of écu vs étau
Shared letters: ué. Private to "écu": c. Private to "étau": at.
"écu" · 3 letters · shape VCV · "étau" · 4 letters · shape VCVV
Frequently Asked Questions
Is swapping "écu" for "étau" ever safe?
Which is more common, "écu" or "étau"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "écu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "étau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #121,056 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "écu" and "étau" also get mixed up with nearby pairs, the highest-scored neighbour is "écu vs EPO". Nearby pair
Confusion rank #121,056 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.