Which to use
“éclaircir” and “éclairer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,277
- “éclaircir” frequency rank
- #9,420
- “éclairer” frequency rank
- 25697
- confusion score
Side-by-Side Comparison
| Feature | éclaircir | éclairer |
|---|---|---|
| Definition | Rendre clair, rendre plus clair. | Apporter de la lumière dans un endroit sombre. |
Where the eye mixes éclaircir and éclairer
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. éclaircir runs 9 letters (VCCVVCCVC) against éclairer's 8 (VCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses éclaircir with éclairer
A purely visual mix-up. éclaircir (\e.klɛʁ.siʁ\) and éclairer (\e.kle.ʁe\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 25697, derived from the frequency rank of both members and their visual similarity.
éclaircir is recorded at frequency rank #16,277, classified as averb, pronounced \e.klɛʁ.siʁ\. 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 25697, this pair ranks #339,380 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of éclaircir vs éclairer
Shared letters: acilré. Private to "éclaircir": -. Private to "éclairer": e.
"éclaircir" · 9 letters · shape VCCVVCCVC · "éclairer" · 8 letters · shape VCCVVCVC
Frequently Asked Questions
Is swapping "éclaircir" for "éclairer" ever safe?
Frequency check: "éclaircir" vs "éclairer" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "éclaircir" 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 #339,380 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "éclaircir" and "éclairer" also get mixed up with nearby pairs, the highest-scored neighbour is "éclairci vs éclaircir". Nearby pair
Confusion rank #339,380 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.