Which to use
“acid” and “ácido” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,664
- “acid” frequency rank
- #4,441
- “ácido” frequency rank
- 49105
- confusion score
Side-by-Side Comparison
| Feature | acid | ácido |
|---|---|---|
| Definition | ácido, que possui acidez; | que possui um sabor azedo, picante, acre, como o do vinagre |
Letter map: acid vs ácido
Shared letters muted; letters that set acid and ácido apart highlighted. Shared run: 3. acid runs 4 letters (VCVC) against ácido's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on acid vs ácido
acid and ácido 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 1 letter(s) in length. Our composite confusion score for this pair is 49105, derived from the frequency rank of both members and their visual similarity.
acid is recorded at frequency rank #44,664, classified as anadj. ácido is at rank #4,441, tagged as anadj, pronounced /ˈa.si.du/.
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 49105, this pair ranks #15,981 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of acid vs ácido
Shared letters: cdi. Private to "acid": a. Private to "ácido": oá.
"acid" · 4 letters · shape VCVC · "ácido" · 5 letters · shape VCVCV
Known mistypes of this pair
- acid ← accid · acdi · acidd · aicd · caid
Frequently Asked Questions
Is swapping "acid" for "ácido" ever safe?
In ordinary Portuguese text, does "acid" or "ácido" show up more?
What to do next
You've compared "acid" and "ácido". Here's where to go from here.
- Full dictionary entry for "acid" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ácido" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,981 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acid" and "ácido" also get mixed up with nearby pairs, the highest-scored neighbour is "acid 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 #15,981 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.