m vs mês, What's the Difference?

Which to use

“m” is a symbol and “mês” is a noun - they look or sound alike but fill different roles in a sentence.

#701
“m” frequency rank: #444
“mês” frequency rank: 1145
confusion score

Side-by-Side Comparison

Feature	m	mês
Definition	símbolo de metro	cada uma das doze partes em que se divide o ano

Letter map: m vs mês

Shared letters muted; letters that set m and mês apart highlighted. Shared run: 1.

1 ch

3 ch

mês

Role in the sentence - m and mês

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: m is asymbol and mêsanoun. On the page they differ by 2 extra letter(s) - “m” sits inside “mês”. Our composite confusion score for this pair is 1145, derived from the frequency rank of both members and their visual similarity.

m is recorded at frequency rank #701, classified as asymbol. mês is at rank #444, tagged as anoun, pronounced /ˈmeʃ/.

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 1145, this pair ranks #74,470 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of m vs mês

Shared letters: m. Private to "m": -. Private to "mês": sê.

"m" · 1 letters · shape C · "mês" · 3 letters · shape CVC

Frequently Asked Questions

Can "m" and "mês" be used interchangeably?

No - they are not even the same part of speech. "m" is a symbol and "mês" a noun, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "m" or "mês" show up more?

"mês" is the more common of the two: it sits at frequency rank #444 in our Portuguese list, against #701 for "m". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "m" and "mês". Here's where to go from here.

Full dictionary entry for "m" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "mês" - compare definitions side by side with the headword page. Word entry
This pair ranks #74,470 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"m" and "mês" also get mixed up with nearby pairs, the highest-scored neighbour is "m vs maa". Nearby pair

Confusion rank #74,470 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.