Which to use
“ácido” is an adjective and “aipo” is a noun - they look or sound alike but fill different roles in a sentence.
- #4,441
- “ácido” frequency rank
- #44,191
- “aipo” frequency rank
- 48632
- confusion score
Side-by-Side Comparison
| Feature | ácido | aipo |
|---|---|---|
| Definition | que possui um sabor azedo, picante, acre, como o do vinagre | planta herbácea odorífena da família das Umbelíferas cultivada para fins culinários; seu nome científico é Apium graveolens |
Where the eye mixes ácido and aipo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ácido runs 5 letters (VCVCV) against aipo's 4 (VVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: ácido vs aipo
These two trip readers on the page rather than in the ear: ácido is /ˈa.si.du/ while aipo is /ˈaj.pu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48632, derived from the frequency rank of both members and their visual similarity.
ácido is recorded at frequency rank #4,441, classified as anadj, pronounced /ˈa.si.du/. aipo is at rank #44,191, tagged as anoun, pronounced /ˈaj.pu/.
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 48632, this pair ranks #16,535 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ácido vs aipo
Shared letters: io. Private to "ácido": cdá. Private to "aipo": ap.
"ácido" · 5 letters · shape VCVCV · "aipo" · 4 letters · shape VVCV
Known mistypes of this pair
- aipo ← aiop · aippo · apio · iapo
Frequently Asked Questions
Is swapping "ácido" for "aipo" ever safe?
Which is more common, "ácido" or "aipo"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ácido" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aipo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,535 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ácido" and "aipo" also get mixed up with nearby pairs, the highest-scored neighbour is "aipo vs apo". 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 #16,535 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.