Which to use
“acid” is an adjective and “açude” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,664
- “acid” frequency rank
- #16,686
- “açude” frequency rank
- 61350
- confusion score
Side-by-Side Comparison
| Feature | acid | açude |
|---|---|---|
| Definition | ácido, que possui acidez; | construção destinada a represar as águas de um rio |
Letter map: acid vs açude
Shared letters muted; letters that set acid and açude apart highlighted. Shared run: 2. acid runs 4 letters (VCVC) against açude's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - acid and açude
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: acid is anadjective and açudeanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61350, derived from the frequency rank of both members and their visual similarity.
acid is recorded at frequency rank #44,664, classified as anadj. açude is at rank #16,686, tagged as anoun, pronounced /ɐ.ˈsu.dɨ/.
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 61350, this pair ranks #7,183 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of acid vs açude
Shared letters: ad. Private to "acid": ci. Private to "açude": euç.
"acid" · 4 letters · shape VCVC · "açude" · 5 letters · shape VCVCV
Known mistypes of this pair
- acid ← accid · acdi · acidd · aicd · caid
Frequently Asked Questions
Is swapping "acid" for "açude" ever safe?
Frequency check: "acid" vs "açude" - which ranks higher?
After this comparison
You've compared "acid" and "açude". Here's where to go from here.
- Full dictionary entry for "acid" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "açude" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,183 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acid" and "açude" 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 #7,183 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.