Which to use
“mars” is a noun and “mau” is an adjective - they look or sound alike but fill different roles in a sentence.
- #426
- “mars” frequency rank
- #35,149
- “mau” frequency rank
- 35575
- confusion score
Side-by-Side Comparison
| Feature | mars | mau |
|---|---|---|
| Definition | Troisième mois de l’année du calendrier grégorien, qui compte 31 jours. | Mal en point, mal fichu, patraque. |
Where the eye mixes mars and mau
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses mars with mau
These two trip readers on the page rather than in the ear: mars is \maʁs\ while mau is \maʊ̯\. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 35575, derived from the frequency rank of both members and their visual similarity.
mars is recorded at frequency rank #426, classified as anoun, pronounced \maʁs\. mau is at rank #35,149, tagged as anadj, pronounced \maʊ̯\.
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 35575, this pair ranks #275,739 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mars vs mau
Shared letters: am. Private to "mars": rs. Private to "mau": u.
"mars" · 4 letters · shape CVCC · "mau" · 3 letters · shape CVV
Known mistypes of this pair
- mars ← amrs · marrs · marss · masr · mmars · mras
Frequently Asked Questions
Can "mars" and "mau" be used interchangeably?
Frequency check: "mars" vs "mau" - 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 "mars" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #275,739 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "mars" and "mau" also get mixed up with nearby pairs, the highest-scored neighbour is "mau vs MWh". 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 #275,739 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.