Which to use
“menteur” and “moteur” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,030
- “menteur” frequency rank
- #1,705
- “moteur” frequency rank
- 11735
- confusion score
Side-by-Side Comparison
| Feature | menteur | moteur |
|---|---|---|
| Definition | Qui ment, qui a l’habitude de mentir. | Qui donne le mouvement ; qui anime. |
Where the eye mixes menteur and moteur
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. menteur runs 7 letters (CVCCVVC) against moteur's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between menteur and moteur
A purely visual mix-up. menteur (\mɑ̃.tœʁ\) and moteur (\mɔ.tœʁ\) 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 11735, derived from the frequency rank of both members and their visual similarity.
menteur is recorded at frequency rank #10,030, classified as anadj, pronounced \mɑ̃.tœʁ\. moteur is at rank #1,705, tagged as anadj, pronounced \mɔ.tœʁ\.
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 11735, this pair ranks #408,024 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of menteur vs moteur
Shared letters: emrtu. Private to "menteur": n. Private to "moteur": o.
"menteur" · 7 letters · shape CVCCVVC · "moteur" · 6 letters · shape CVCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "menteur" for "moteur" ever safe?
Frequency check: "menteur" vs "moteur" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "menteur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "moteur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #408,024 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "menteur" and "moteur" also get mixed up with nearby pairs, the highest-scored neighbour is "moteur vs moyeu". 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 #408,024 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.