alertarvsapertarConfusable pair

Which to use

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

#10,997
“alertar” frequency rank
#6,837
“apertar” frequency rank
17834
confusion score

Side-by-Side Comparison

Feature alertar apertar
Definition pôr em alerta aproximar muito forçando

Letter map: alertar vs apertar

Shared letters muted; letters that set alertar and apertar apart highlighted. Shared run: 6.

7 ch
alertar
7 ch
apertar

Pair insight - alertar / apertar

alertar and apertar 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 - l in “alertar” becomes p in “apertar”. Our composite confusion score for this pair is 17834, derived from the frequency rank of both members and their visual similarity.

alertar is recorded at frequency rank #10,997, classified as averb, pronounced /ɐ.lɨɾ.ˈtaɾ/. apertar is at rank #6,837, tagged as averb.

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 17834, this pair ranks #53,306 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alertar vs apertar

Shared letters: aert. Private to "alertar": l. Private to "apertar": p.

"alertar" · 7 letters · shape VCVCCVC  ·  "apertar" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • alertaraelrtar · aleratr · alerrtar · alertarr · alertra · alerttar · allertar · alretar
  • apertaraeprtar · aperatr · aperrtar · apertarr · apertra · aperttar · apetrar · appertar

Frequently Asked Questions

Can "alertar" and "apertar" be used interchangeably?
No. They differ by a single letter - l in “alertar” becomes p in “apertar”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "alertar" vs "apertar" - which ranks higher?
"apertar" is the more common of the two: it sits at frequency rank #6,837 in our Portuguese list, against #10,997 for "alertar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "alertar" and "apertar". Here's where to go from here.

  • Full dictionary entry for "alertar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apertar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #53,306 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "alertar" and "apertar" also get mixed up with nearby pairs, the highest-scored neighbour is "alertar vs atestar". 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 #53,306 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