algovsaltoWhat's the difference?

Quick tell: algo is a adverb, alto is an adjective, so they fill different roles in a sentence.

Which to use

“algo” is an adverb and “alto” is an adjective - they look or sound alike but fill different roles in a sentence.

#222
“algo” frequency rank
#516
“alto” frequency rank
738
confusion score

Side-by-Side Comparison

Feature algo alto
Definition um pouco, de certo modo de muita estatura

Where the eye mixes algo and alto

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
algo
4 ch
alto

Look-alike desk: algo vs alto

These two trip readers on the page rather than in the ear: algo is /ˈaw.gu/ while alto is /ˈaɫ.tu/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “algo” becomes t in “alto”, and the parts of speech differ too (adverb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 738, derived from the frequency rank of both members and their visual similarity.

algo is recorded at frequency rank #222, classified as anadv, pronounced /ˈaw.gu/. alto is at rank #516, tagged as anadj, pronounced /ˈaɫ.tu/.

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 738, this pair ranks #74,916 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of algo vs alto

Shared letters: alo. Private to "algo": g. Private to "alto": t.

"algo" · 4 letters · shape VCCV  ·  "alto" · 4 letters · shape VCCV

Known mistypes of this pair

  • algoaglo · alggo · allgo · alog
  • altoallto · alot · altto · atlo

Frequently Asked Questions

Do "algo" and "alto" mean the same thing in a sentence?
No - they are not even the same part of speech. "algo" is an adverb and "alto" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "algo" vs "alto" - which ranks higher?
"algo" is the more common of the two: it sits at frequency rank #222 in our Portuguese list, against #516 for "alto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "algo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,916 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "algo" and "alto" also get mixed up with nearby pairs, the highest-scored neighbour is "alce vs alto". 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 #74,916 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