Which to use
“rain” and “raison” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,329
- “rain” frequency rank
- #259
- “raison” frequency rank
- 23588
- confusion score
Side-by-Side Comparison
| Feature | rain | raison |
|---|---|---|
| Definition | Lisière d’un bois, d’une forêt. | Faculté intellectuelle par laquelle l’homme connaît, juge et se conduit ; entendement. |
Where the eye mixes rain and raison
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. rain runs 4 letters (CVVC) against raison's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses rain with raison
A purely visual mix-up. rain (\ʁɛ̃\) and raison (\ʁɛ.zɔ̃\) 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 2 letter(s) in length. Our composite confusion score for this pair is 23588, derived from the frequency rank of both members and their visual similarity.
rain is recorded at frequency rank #23,329, classified as anoun, pronounced \ʁɛ̃\. raison is at rank #259, tagged as anoun, pronounced \ʁɛ.zɔ̃\.
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 23588, this pair ranks #351,614 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rain vs raison
Shared letters: ainr. Private to "rain": -. Private to "raison": os.
"rain" · 4 letters · shape CVVC · "raison" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rain" for "raison" ever safe?
Frequency check: "rain" vs "raison" - which ranks higher?
What to do next
Eye-level mix-up between "rain" and "raison" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "raison" - compare definitions side by side with the headword page. Word entry
- This pair ranks #351,614 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rain" and "raison" also get mixed up with nearby pairs, the highest-scored neighbour is "rain vs Reis". 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 #351,614 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.