Which to use
“acha” is a noun and “alta” is an adjective - they look or sound alike but fill different roles in a sentence.
- #547
- “acha” frequency rank
- #818
- “alta” frequency rank
- 1365
- confusion score
Side-by-Side Comparison
| Feature | acha | alta |
|---|---|---|
| Definition | cavaca | alto, elevado |
Where the eye mixes acha and alta
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between acha and alta
These two trip readers on the page rather than in the ear: acha is /ˈa.ʃɐ/ while alta is /ˈal.ta/.. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 1365, derived from the frequency rank of both members and their visual similarity.
acha is recorded at frequency rank #547, classified as anoun, pronounced /ˈa.ʃɐ/. alta is at rank #818, tagged as anadj, pronounced /ˈal.ta/..
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 1365, this pair ranks #74,217 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of acha vs alta
Shared letters: a. Private to "acha": ch. Private to "alta": lt.
"acha" · 4 letters · shape VCCV · "alta" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Do "acha" and "alta" mean the same thing in a sentence?
Which is more common, "acha" or "alta"?
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 "acha" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alta" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,217 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acha" and "alta" also get mixed up with nearby pairs, the highest-scored neighbour is "acha vs acs". 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 #74,217 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.