Which to use
“mar” is an adverb and “mm” is a symbol - they look or sound alike but fill different roles in a sentence.
- #8,735
- “mar” frequency rank
- #1,092
- “mm” frequency rank
- 9827
- confusion score
Side-by-Side Comparison
| Feature | mar | mm |
|---|---|---|
| Definition | Mal, malheureusement. | Symbole du millimètre, unité de mesure de longueur du Système international (SI), valant 0,001 mètre (10⁻³ mètre). |
Letter map: mar vs mm
Shared letters muted; letters that set mar and mm apart highlighted. Shared run: 1.
Part-of-speech tell for mar / mm
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mar is anadverb and mmasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 9827, derived from the frequency rank of both members and their visual similarity.
mar is recorded at frequency rank #8,735, classified as anadv. mm is at rank #1,092, tagged as asymbol, pronounced \mi.li.mɛtʁ\.
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 9827, this pair ranks #415,252 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of mar vs mm
Shared letters: m. Private to "mar": ar. Private to "mm": -.
"mar" · 3 letters · shape CVC · "mm" · 2 letters · shape CC
Frequently Asked Questions
Do "mar" and "mm" mean the same thing in a sentence?
Which is more common, "mar" or "mm"?
What to do next
You've compared "mar" and "mm". Here's where to go from here.
- Full dictionary entry for "mar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mm" - compare definitions side by side with the headword page. Word entry
- This pair ranks #415,252 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "mar" and "mm" also get mixed up with nearby pairs, the highest-scored neighbour is "mar vs MWh". Nearby pair
Confusion rank #415,252 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.