Which to use
“éclair” is a noun and “éclairer” is a verb - they look or sound alike but fill different roles in a sentence.
- #8,324
- “éclair” frequency rank
- #9,420
- “éclairer” frequency rank
- 17744
- confusion score
Side-by-Side Comparison
| Feature | éclair | éclairer |
|---|---|---|
| Definition | Lumière vive et soudaine causée par la foudre, qui brille entre les nuages et qui précède le bruit du tonnerre lors d'un orage. | Apporter de la lumière dans un endroit sombre. |
Where the eye mixes éclair and éclairer
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. éclair runs 6 letters (VCCVVC) against éclairer's 8 (VCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: éclair vs éclairer
These two trip readers on the page rather than in the ear: éclair is \e.klɛʁ\ while éclairer is \e.kle.ʁe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “éclair” sits inside “éclairer”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 17744, derived from the frequency rank of both members and their visual similarity.
éclair is recorded at frequency rank #8,324, classified as anoun, pronounced \e.klɛʁ\. éclairer is at rank #9,420, tagged as averb, pronounced \e.kle.ʁe\.
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 17744, this pair ranks #381,685 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of éclair vs éclairer
Shared letters: acilré. Private to "éclair": -. Private to "éclairer": e.
"éclair" · 6 letters · shape VCCVVC · "éclairer" · 8 letters · shape VCCVVCVC
Frequently Asked Questions
Is swapping "éclair" for "éclairer" ever safe?
Frequency check: "éclair" vs "éclairer" - which ranks higher?
Useful next steps
Eye-level mix-up between "éclair" and "éclairer" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "éclair" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "éclairer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #381,685 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "éclair" and "éclairer" also get mixed up with nearby pairs, the highest-scored neighbour is "éclairci vs éclairer". Nearby pair
Confusion rank #381,685 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.