Which to use
“ú” is an adverb and “uai” is an intj - they look or sound alike but fill different roles in a sentence.
- #44,175
- “ú” frequency rank
- #37,566
- “uai” frequency rank
- 81741
- confusion score
Side-by-Side Comparison
| Feature | ú | uai |
|---|---|---|
| Definition | onde | expressa surpresa, espanto ou suscita dúvida |
Letter map: ú vs uai
Shared letters muted; letters that set ú and uai apart highlighted. No shared letter run.
Part-of-speech tell for ú / uai
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ú is anadverb and uaianintj. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 81741, derived from the frequency rank of both members and their visual similarity.
ú is recorded at frequency rank #44,175, classified as anadv. uai is at rank #37,566, tagged as anintj.
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 81741, this pair ranks #1,124 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ú vs uai
Shared letters: none. Private to "ú": ú. Private to "uai": aiu.
"ú" · 1 letters · shape V · "uai" · 3 letters · shape VVV
Frequently Asked Questions
Is swapping "ú" for "uai" ever safe?
Which is more common, "ú" or "uai"?
What to do next
You've compared "ú" and "uai". Here's where to go from here.
- Full dictionary entry for "ú" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "uai" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,124 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ú" and "uai" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs UBS". Nearby pair
Confusion rank #1,124 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.