élancevsétancheWhich spelling fits?

Quick tell: élance is a verb, étanche is an adjective, so they fill different roles in a sentence.

Which to use

“élance” is a verb and “étanche” is an adjective - they look or sound alike but fill different roles in a sentence.

#26,933
“élance” frequency rank
#20,621
“étanche” frequency rank
47554
confusion score

Side-by-Side Comparison

Feature élance étanche
Definition Première personne du singulier du présent de l’indicatif de élancer. Qui ne laisse pas passer les liquides ou les gaz.

Where the eye mixes élance and étanche

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. élance runs 6 letters (VCVCCV) against étanche's 7 (VCVCCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
élance
7 ch
étanche

Why the eye confuses élance with étanche

These two trip readers on the page rather than in the ear: élance is \e.lɑ̃s\ while étanche is \e.tɑ̃ʃ\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 47554, derived from the frequency rank of both members and their visual similarity.

élance is recorded at frequency rank #26,933, classified as averb, pronounced \e.lɑ̃s\. étanche is at rank #20,621, tagged as anadj, pronounced \e.tɑ̃ʃ\.

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 47554, this pair ranks #186,040 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of élance vs étanche

Shared letters: acené. Private to "élance": l. Private to "étanche": ht.

"élance" · 6 letters · shape VCVCCV  ·  "étanche" · 7 letters · shape VCVCCCV

Frequently Asked Questions

Can "élance" and "étanche" be used interchangeably?
No - they are not even the same part of speech. "élance" is a verb and "étanche" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "élance" vs "étanche" - which ranks higher?
"étanche" is the more common of the two: it sits at frequency rank #20,621 in our French list, against #26,933 for "élance". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "élance" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "étanche" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #186,040 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "élance" and "étanche" also get mixed up with nearby pairs, the highest-scored neighbour is "élance vs élancent". Nearby pair

Confusion rank #186,040 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