mvsmoWhich spelling fits?

Quick tell: m is a symbol, mo is a pronoun, so they fill different roles in a sentence.

Which to use

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

#701
“m” frequency rank
#4,745
“mo” frequency rank
5446
confusion score

Side-by-Side Comparison

Feature m mo
Definition símbolo de metro combinação de me (pronome pessoal oblíquo átono) e o (pronome pessoal oblíquo átono, pronome demonstrativo masculino ou pronome demonstrativo neutro)

Letter map: m vs mo

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

1 ch
m
2 ch
mo

Grammar separator: m vs mo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: m is asymbol and moapronoun. On the page they differ by 1 extra letter(s) - “m” sits inside “mo”. Our composite confusion score for this pair is 5446, derived from the frequency rank of both members and their visual similarity.

m is recorded at frequency rank #701, classified as asymbol. mo is at rank #4,745, tagged as apron, pronounced /mo/.

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 5446, this pair ranks #69,169 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of m vs mo

Shared letters: m. Private to "m": -. Private to "mo": o.

"m" · 1 letters · shape C  ·  "mo" · 2 letters · shape CV

Frequently Asked Questions

Can "m" and "mo" be used interchangeably?
No - they are not even the same part of speech. "m" is a symbol and "mo" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "m" vs "mo" - which ranks higher?
"m" is the more common of the two: it sits at frequency rank #701 in our Portuguese list, against #4,745 for "mo". 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 "mo". Here's where to go from here.

  • Full dictionary entry for "m" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,169 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "m" and "mo" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mo". Nearby pair

Confusion rank #69,169 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list