prevenirvspreverWhat's the difference?

Which to use

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

#5,571
“prevenir” frequency rank
#8,247
“prever” frequency rank
13818
confusion score

Side-by-Side Comparison

Feature prevenir prever
Definition atalhar, frustrar, impedir, obstar ver, saber, examinar antecipadamente; antever

Where the eye mixes prevenir and prever

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. prevenir runs 8 letters (CCVCVCVC) against prever's 6 (CCVCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
prevenir
6 ch
prever

Visual trap between prevenir and prever

A purely visual mix-up. prevenir (/pɾɨ.vɨ.ˈniɾ/) and prever (/pɾɨ.ˈveɾ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 13818, derived from the frequency rank of both members and their visual similarity.

prevenir is recorded at frequency rank #5,571, classified as averb, pronounced /pɾɨ.vɨ.ˈniɾ/. prever is at rank #8,247, tagged as averb, pronounced /pɾɨ.ˈveɾ/.

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 13818, this pair ranks #58,409 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prevenir vs prever

Shared letters: eprv. Private to "prevenir": in. Private to "prever": -.

"prevenir" · 8 letters · shape CCVCVCVC  ·  "prever" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • prevenir ← pervenir · pprevenir · preevnir · preveinr · prevenirr · prevennir · prevenri · prevneir
  • prever ← perver · pprever · preevr · preverr · prevre · prevver · prrever · prveer

Frequently Asked Questions

Can "prevenir" and "prever" be used interchangeably?
No. They are said differently (/pɾɨ.vɨ.ˈniɾ/ versus /pɾɨ.ˈveɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "prevenir" or "prever"?
"prevenir" is the more common of the two: it sits at frequency rank #5,571 in our Portuguese list, against #8,247 for "prever". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "prevenir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prever" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #58,409 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "prevenir" and "prever" also get mixed up with nearby pairs, the highest-scored neighbour is "perecer vs prever". 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 #58,409 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