previsãovsprevistoTell them apart

Quick tell: previsão is a noun, previsto is an adjective, so they fill different roles in a sentence.

Which to use

“previsão” is a noun and “previsto” is an adjective - they look or sound alike but fill different roles in a sentence.

#4,336
“previsão” frequency rank
#4,262
“previsto” frequency rank
8598
confusion score

Side-by-Side Comparison

Feature previsão previsto
Definition ato ou efeito de prever prenunciado

Where the eye mixes previsão and previsto

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. previsão (CCVCVCVV) and previsto (CCVCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
previsão
8 ch
previsto

Visual trap between previsão and previsto

These two trip readers on the page rather than in the ear: previsão is /pɾɨ.vi.ˈzɐ̃w̃/ while previsto is /pɾɨ.ˈviʃ.tu/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - ã in “previsão” becomes t in “previsto”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 8598, derived from the frequency rank of both members and their visual similarity.

previsão is recorded at frequency rank #4,336, classified as anoun, pronounced /pɾɨ.vi.ˈzɐ̃w̃/. previsto is at rank #4,262, tagged as anadj, pronounced /pɾɨ.ˈviʃ.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 8598, this pair ranks #65,127 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of previsão vs previsto

Shared letters: eioprsv. Private to "previsão": ã. Private to "previsto": t.

"previsão" · 8 letters · shape CCVCVCVV  ·  "previsto" · 8 letters · shape CCVCVCCV

Known mistypes of this pair

  • previsto ← pervisto · pprevisto · preivsto · previsot · previssto · previstto · previtso · prevsito

Frequently Asked Questions

Can "previsão" and "previsto" be used interchangeably?
No - they are not even the same part of speech. "previsão" is a noun and "previsto" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "previsão" or "previsto" show up more?
"previsto" is the more common of the two: it sits at frequency rank #4,262 in our Portuguese list, against #4,336 for "previsão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "previsão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "previsto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,127 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "previsão" and "previsto" also get mixed up with nearby pairs, the highest-scored neighbour is "predição vs previsão". 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 #65,127 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