estervséviterWhich spelling fits?

Quick tell: ester is a noun, éviter is a verb, so they fill different roles in a sentence.

Which to use

“ester” is a noun and “éviter” is a verb - they look or sound alike but fill different roles in a sentence.

#35,506
“ester” frequency rank
#862
“éviter” frequency rank
36368
confusion score

Side-by-Side Comparison

Feature ester éviter
Definition Molécule obtenue par la réaction chimique entre un alcool et un oxoacide. Échapper, se soustraire à quelque chose de nuisible, de désagréable.

Where the eye mixes ester and éviter

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
ester
6 ch
éviter

Visual trap between ester and éviter

These two trip readers on the page rather than in the ear: ester is \ɛs.tɛʁ\ while éviter is \e.vi.te\. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 36368, derived from the frequency rank of both members and their visual similarity.

ester is recorded at frequency rank #35,506, classified as anoun, pronounced \ɛs.tɛʁ\. éviter is at rank #862, tagged as averb, pronounced \e.vi.te\.

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 36368, this pair ranks #270,112 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ester vs éviter

Shared letters: ert. Private to "ester": s. Private to "éviter": ivé.

"ester" · 5 letters · shape VCCVC  ·  "éviter" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • esteresetr · esster · esterr · estre · estter · etser · seter

Frequently Asked Questions

Is swapping "ester" for "éviter" ever safe?
No - they are not even the same part of speech. "ester" is a noun and "éviter" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ester" or "éviter"?
"éviter" is the more common of the two: it sits at frequency rank #862 in our French list, against #35,506 for "ester". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ester" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "éviter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #270,112 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ester" and "éviter" also get mixed up with nearby pairs, the highest-scored neighbour is "épier vs ester". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #270,112 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