maisvsmayTell them apart

Quick tell: mais is a adverb, may is a verb, so they fill different roles in a sentence.

Which to use

“mais” is an adverb and “may” is a verb - they look or sound alike but fill different roles in a sentence.

#23
“mais” frequency rank
#5,226
“may” frequency rank
5249
confusion score

Side-by-Side Comparison

Feature mais may
Definition avançadamente (designa aumento) obter permissão. Também utilizado quando se deseja fazer um pedido, de maneira cortês.

Where the eye mixes mais and may

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
mais
3 ch
may

Visual trap between mais and may

These two trip readers on the page rather than in the ear: mais is /mäjʃ/ while may is /meɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 5249, derived from the frequency rank of both members and their visual similarity.

mais is recorded at frequency rank #23, classified as anadv, pronounced /mäjʃ/. may is at rank #5,226, tagged as averb, pronounced /meɪ/.

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 5249, this pair ranks #69,414 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mais vs may

Shared letters: am. Private to "mais": is. Private to "may": y.

"mais" · 4 letters · shape CVVC  ·  "may" · 3 letters · shape CVV

Known mistypes of this pair

  • maisamis · maiss · masi · mias · mmais

Frequently Asked Questions

Do "mais" and "may" mean the same thing in a sentence?
No - they are not even the same part of speech. "mais" is an adverb and "may" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mais" vs "may" - which ranks higher?
"mais" is the more common of the two: it sits at frequency rank #23 in our Portuguese list, against #5,226 for "may". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "mais" and "may" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "mais" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "may" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,414 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mais" and "may" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs may". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #69,414 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