écu vs étui, What's the Difference?

Which to use

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

#28,025
“écu” frequency rank: #20,902
“étui” frequency rank: 48927
confusion score

Side-by-Side Comparison

Feature	écu	étui
Definition	Bouclier que portaient autrefois les chevaliers.	Contenant pour mettre, porter ou conserver un objet, et dont la forme varie selon les objets.

Where the spellings diverge

Shared letters are muted; the letters that actually set écu and étui apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch

écu

4 ch

étui

Spelling & Dictionary Insight

A purely visual mix-up. écu (\e.ky\) and étui (\e.tɥi\) 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 48927, 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\. étui is at rank #20,902, tagged as anoun, pronounced \e.tɥi\.

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 48927, this pair ranks #174,941 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of écu vs étui

Shared letters: ué. Private to "écu": c. Private to "étui": it.

"écu" · 3 letters · shape VCV · "étui" · 4 letters · shape VCVV

Frequency comparison

écu#28,025

étui#20,902

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "écu" and "étui" be used interchangeably?

No. They are said differently (\e.ky\ versus \e.tɥi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "écu" or "étui"?

"étui" is the more common of the two: it sits at frequency rank #20,902 in our French list, against #28,025 for "écu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering écu vs étui

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “écu” entry
Browse more pairs most likely to be confused. Most confusable