masvsmimTell them apart

Quick tell: mas is a conjunction, mim is a pronoun, so they fill different roles in a sentence.

Which to use

“mas” is a conjunction and “mim” is a pronoun - they look or sound alike but fill different roles in a sentence.

#25
“mas” frequency rank
#113
“mim” frequency rank
138
confusion score

Side-by-Side Comparison

Feature mas mim
Definition conjunção adversativa, indica clara oposição entre ideias caso oblíquo do pronome pessoal da primeira pessoa, usado após preposições (a, ante, após, até, contra, de, desde, entre, para, por, sem, sobre)

Where the eye mixes mas and mim

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
mas
3 ch
mim

Look-alike desk: mas vs mim

These two trip readers on the page rather than in the ear: mas is /ˈmɐʃ/ while mim is /ˈmĩ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (conjunction vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 138, derived from the frequency rank of both members and their visual similarity.

mas is recorded at frequency rank #25, classified as aconj, pronounced /ˈmɐʃ/. mim is at rank #113, tagged as apron, pronounced /ˈmĩ/.

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 138, this pair ranks #75,517 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mas vs mim

Shared letters: m. Private to "mas": as. Private to "mim": i.

"mas" · 3 letters · shape CVC  ·  "mim" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "mas" for "mim" ever safe?
No - they are not even the same part of speech. "mas" is a conjunction and "mim" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mas" or "mim"?
"mas" is the more common of the two: it sits at frequency rank #25 in our Portuguese list, against #113 for "mim". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "mas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mim" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,517 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mas" and "mim" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs mim". Nearby pair

Confusion rank #75,517 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