épaissevsépuiséeTell them apart

Which to use

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

#10,107
“épaisse” frequency rank
#15,070
“épuisée” frequency rank
25177
confusion score

Side-by-Side Comparison

Feature épaisse épuisée
Definition Féminin singulier de épais. Féminin singulier de épuisé.

Where the eye mixes épaisse and épuisée

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. épaisse (VCVVCCV) and épuisée (VCVVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
épaisse
7 ch
épuisée

Visual trap between épaisse and épuisée

A purely visual mix-up. épaisse (\e.pɛs\) and épuisée (\e.pɥi.ze\) 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 25177, derived from the frequency rank of both members and their visual similarity.

épaisse is recorded at frequency rank #10,107, classified as anadj, pronounced \e.pɛs\. épuisée is at rank #15,070, tagged as anadj, pronounced \e.pɥi.ze\.

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 25177, this pair ranks #342,346 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of épaisse vs épuisée

Shared letters: eipsé. Private to "épaisse": a. Private to "épuisée": u.

"épaisse" · 7 letters · shape VCVVCCV  ·  "épuisée" · 7 letters · shape VCVVCVV

Frequently Asked Questions

Can "épaisse" and "épuisée" be used interchangeably?
No. They are said differently (\e.pɛs\ versus \e.pɥi.ze\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "épaisse" or "épuisée"?
"épaisse" is the more common of the two: it sits at frequency rank #10,107 in our French list, against #15,070 for "épuisée". 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 "épaisse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "épuisée" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #342,346 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "épaisse" and "épuisée" also get mixed up with nearby pairs, the highest-scored neighbour is "éprise vs épuisée". Nearby pair

Confusion rank #342,346 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