Which to use
“rotor” is a noun and “royer” is a verb - they look or sound alike but fill different roles in a sentence.
- #33,448
- “rotor” frequency rank
- #30,787
- “royer” frequency rank
- 64235
- confusion score
Side-by-Side Comparison
| Feature | rotor | royer |
|---|---|---|
| Definition | Partie rotative d’une machine, par exemple d’un moteur électrique, d’une turbine, etc. | Aérer la terre en y creusant des sillons. |
Where the eye mixes rotor and royer
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. rotor (CVCVC) and royer (CVVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: rotor vs royer
These two trip readers on the page rather than in the ear: rotor is \ʁɔ.tɔʁ\ while royer is \ʁwa.je\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 64235, derived from the frequency rank of both members and their visual similarity.
rotor is recorded at frequency rank #33,448, classified as anoun, pronounced \ʁɔ.tɔʁ\. royer is at rank #30,787, tagged as averb, pronounced \ʁwa.je\.
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 64235, this pair ranks #78,027 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of rotor vs royer
Shared letters: or. Private to "rotor": t. Private to "royer": ey.
"rotor" · 5 letters · shape CVCVC · "royer" · 5 letters · shape CVVVC
Known mistypes of this pair
Frequently Asked Questions
Do "rotor" and "royer" mean the same thing in a sentence?
In ordinary French text, does "rotor" or "royer" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "rotor" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "royer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #78,027 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rotor" and "royer" also get mixed up with nearby pairs, the highest-scored neighbour is "rotary vs rotor". 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 #78,027 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.