épaisvsétaiWhat's the difference?

Quick tell: épais is a adjective, étai is a noun, so they fill different roles in a sentence.

Which to use

“épais” is an adjective and “étai” is a noun - they look or sound alike but fill different roles in a sentence.

#7,019
“épais” frequency rank
#48,289
“étai” frequency rank
55308
confusion score

Side-by-Side Comparison

Feature épais étai
Definition Qui a une certaine mesure dans la dimension transversale. Pièce de bois ou de fer utilisée pour soutenir une construction qui menace de s’écrouler, ou qui est en travaux.

Where the spellings diverge

Shared letters are muted; the letters that actually set épais and étai apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
épais
4 ch
étai

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: épais is \e.pɛ\ while étai is \e.tɛ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 55308, derived from the frequency rank of both members and their visual similarity.

épais is recorded at frequency rank #7,019, classified as anadj, pronounced \e.pɛ\. étai is at rank #48,289, tagged as anoun, pronounced \e.tɛ\.

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 55308, this pair ranks #128,294 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of épais vs étai

Shared letters: aié. Private to "épais": ps. Private to "étai": t.

"épais" · 5 letters · shape VCVVC  ·  "étai" · 4 letters · shape VCVV

Frequency comparison

épais#7,019
étai#48,289

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "épais" and "étai" be used interchangeably?
No - they are not even the same part of speech. "épais" is an adjective and "étai" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "épais" or "étai"?
"épais" is the more common of the two: it sits at frequency rank #7,019 in our French list, against #48,289 for "étai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering épais vs étai

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “épais”; for a noun, it's “étai”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “épais” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list