Which to use
“acertar” and “atestar” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,590
- “acertar” frequency rank
- #39,482
- “atestar” frequency rank
- 45072
- confusion score
Side-by-Side Comparison
| Feature | acertar | atestar |
|---|---|---|
| Definition | pôr acerto em | afirmar como testemunha |
Where the eye mixes acertar and atestar
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. acertar and atestar follow the identical consonant-vowel pattern (VCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between acertar and atestar
A purely visual mix-up. acertar (/ɐ.sɨɾ.ˈtaɾ/) and atestar (/ɐ.tɨʃ.ˈtaɾ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 45072, derived from the frequency rank of both members and their visual similarity.
acertar is recorded at frequency rank #5,590, classified as averb, pronounced /ɐ.sɨɾ.ˈtaɾ/. atestar is at rank #39,482, tagged as averb, pronounced /ɐ.tɨʃ.ˈtaɾ/.
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 45072, this pair ranks #20,362 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acertar vs atestar
Shared letters: aert. Private to "acertar": c. Private to "atestar": s.
"acertar" · 7 letters · shape VCVCCVC · "atestar" · 7 letters · shape VCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "acertar" and "atestar" be used interchangeably?
In ordinary Portuguese text, does "acertar" or "atestar" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "acertar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "atestar" - compare definitions side by side with the headword page. Word entry
- This pair ranks #20,362 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acertar" and "atestar" also get mixed up with nearby pairs, the highest-scored neighbour is "atear 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 #20,362 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.