alguémvsalgumTell them apart

Which to use

“alguém” and “algum” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#150
“alguém” frequency rank
#371
“algum” frequency rank
521
confusion score

Side-by-Side Comparison

Feature alguém algum
Definition pessoa não identificada um certo

Letter map: alguém vs algum

Shared letters muted; letters that set alguém and algum apart highlighted. Shared run: 5. alguém runs 6 letters (VCCVVC) against algum's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
alguém
5 ch
algum

Corpus notes: alguém and algum

alguém and algum are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 521, derived from the frequency rank of both members and their visual similarity.

alguém is recorded at frequency rank #150, classified as apron, pronounced [aw.ˈgẽj]. algum is at rank #371, tagged as apron.

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 521, this pair ranks #75,145 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of alguém vs algum

Shared letters: aglmu. Private to "alguém": é. Private to "algum": -.

"alguém" · 6 letters · shape VCCVVC  ·  "algum" · 5 letters · shape VCCVC

Known mistypes of this pair

  • algum ← aglum · alggum · algmu · algumm · allgum · alugm · lagum

Frequently Asked Questions

Is swapping "alguém" for "algum" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "alguém" or "algum"?
"alguém" is the more common of the two: it sits at frequency rank #150 in our Portuguese list, against #371 for "algum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "alguém" vs "algum" is on the table, pick a follow-up below.

  • Full dictionary entry for "alguém" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "algum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #75,145 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "alguém" and "algum" also get mixed up with nearby pairs, the highest-scored neighbour is "algoz vs algum". 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 #75,145 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