precisãovsprevisãoWhat's the difference?

Which to use

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

#6,230
“precisão” frequency rank
#4,336
“previsão” frequency rank
10566
confusion score

Side-by-Side Comparison

Feature precisão previsão
Definition ato ou efeito de precisar, ter necessidade ou carência de algo: ato ou efeito de prever

Letter map: precisão vs previsão

Shared letters muted; letters that set precisão and previsão apart highlighted. Shared run: 7.

8 ch
precisão
8 ch
previsão

Pair insight - precisão / previsão

precisão and previsão 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 a single letter - c in “precisão” becomes v in “previsão”. Our composite confusion score for this pair is 10566, derived from the frequency rank of both members and their visual similarity.

precisão is recorded at frequency rank #6,230, classified as anoun. previsão is at rank #4,336, tagged as anoun, pronounced /pɾɨ.vi.ˈzɐ̃w̃/.

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 10566, this pair ranks #62,494 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of precisão vs previsão

Shared letters: eioprsã. Private to "precisão": c. Private to "previsão": v.

"precisão" · 8 letters · shape CCVCVCVV  ·  "previsão" · 8 letters · shape CCVCVCVV

Frequently Asked Questions

Can "precisão" and "previsão" be used interchangeably?
No. They differ by a single letter - c in “precisão” becomes v in “previsão”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "precisão" vs "previsão" - which ranks higher?
"previsão" is the more common of the two: it sits at frequency rank #4,336 in our Portuguese list, against #6,230 for "precisão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "precisão" vs "previsão" is on the table, pick a follow-up below.

  • Full dictionary entry for "precisão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "previsão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #62,494 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "precisão" and "previsão" also get mixed up with nearby pairs, the highest-scored neighbour is "precisão vs predição". Nearby pair

Confusion rank #62,494 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