Which to use
“rois” and “roulis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,283
- “rois” frequency rank
- #44,150
- “roulis” frequency rank
- 48433
- confusion score
Side-by-Side Comparison
| Feature | rois | roulis |
|---|---|---|
| Definition | Pluriel de roi. | Balancement d’un navire qui roule, qui penche alternativement de droite à gauche et de gauche à droite. |
Where the eye mixes rois and roulis
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: rois vs roulis
A purely visual mix-up. rois (\ʁwa\) and roulis (\ʁu.li\) 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 48433, derived from the frequency rank of both members and their visual similarity.
rois is recorded at frequency rank #4,283, classified as anoun, pronounced \ʁwa\. roulis is at rank #44,150, tagged as anoun, pronounced \ʁu.li\.
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 48433, this pair ranks #178,977 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rois vs roulis
Shared letters: iors. Private to "rois": -. Private to "roulis": lu.
"rois" · 4 letters · shape CVVC · "roulis" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rois" for "roulis" ever safe?
Which is more common, "rois" or "roulis"?
After this comparison
Eye-level mix-up between "rois" and "roulis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rois" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roulis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #178,977 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rois" and "roulis" also get mixed up with nearby pairs, the highest-scored neighbour is "rotules vs roulis". 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 #178,977 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.