Which to use
“ardoise” is a noun and “arrose” is a verb - they look or sound alike but fill different roles in a sentence.
- #17,072
- “ardoise” frequency rank
- #22,488
- “arrose” frequency rank
- 39560
- confusion score
Side-by-Side Comparison
| Feature | ardoise | arrose |
|---|---|---|
| Definition | Roche schisteuse de couleur foncée qui se délite en feuilles. | Première personne du singulier de l’indicatif présent du verbe arroser. |
Where the eye mixes ardoise and arrose
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. ardoise runs 7 letters (VCCVVCV) against arrose's 6 (VCCVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ardoise with arrose
These two trip readers on the page rather than in the ear: ardoise is \aʁ.dwaz\ while arrose is \a.ʁoz\. 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 39560, derived from the frequency rank of both members and their visual similarity.
ardoise is recorded at frequency rank #17,072, classified as anoun, pronounced \aʁ.dwaz\. arrose is at rank #22,488, tagged as averb, pronounced \a.ʁoz\.
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 39560, this pair ranks #247,057 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ardoise vs arrose
Shared letters: aeors. Private to "ardoise": di. Private to "arrose": -.
"ardoise" · 7 letters · shape VCCVVCV · "arrose" · 6 letters · shape VCCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ardoise" for "arrose" ever safe?
Which is more common, "ardoise" or "arrose"?
After this comparison
Eye-level mix-up between "ardoise" and "arrose" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ardoise" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arrose" - compare definitions side by side with the headword page. Word entry
- This pair ranks #247,057 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ardoise" and "arrose" also get mixed up with nearby pairs, the highest-scored neighbour is "arrose vs arthrose". 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 #247,057 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.