mvsmoiConfusable pair

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

Which to use

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

#701
“m” frequency rank
#20,946
“moi” frequency rank
21647
confusion score

Side-by-Side Comparison

Feature m moi
Definition símbolo de metro mim, eu, pronome pessoal tónico da primeira pessoa do singular:

Letter map: m vs moi

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

1 ch
m
3 ch
moi

Part-of-speech tell for m / moi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: m is asymbol and moiapronoun. On the page they differ by 2 extra letter(s) - “m” sits inside “moi”. Our composite confusion score for this pair is 21647, derived from the frequency rank of both members and their visual similarity.

m is recorded at frequency rank #701, classified as asymbol. moi is at rank #20,946, tagged as apron, pronounced /mwa/.

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 21647, this pair ranks #48,554 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of m vs moi

Shared letters: m. Private to "m": -. Private to "moi": io.

"m" · 1 letters · shape C  ·  "moi" · 3 letters · shape CVV

Frequently Asked Questions

Can "m" and "moi" be used interchangeably?
No - they are not even the same part of speech. "m" is a symbol and "moi" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "m" or "moi"?
"m" is the more common of the two: it sits at frequency rank #701 in our Portuguese list, against #20,946 for "moi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "m" vs "moi" is on the table, pick a follow-up below.

  • Full dictionary entry for "m" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "moi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,554 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "m" and "moi" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs moi". Nearby pair

Confusion rank #48,554 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