Which to use
“uai” is an intj and “und” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #37,566
- “uai” frequency rank
- #29,551
- “und” frequency rank
- 67117
- confusion score
Side-by-Side Comparison
| Feature | uai | und |
|---|---|---|
| Definition | expressa surpresa, espanto ou suscita dúvida | (conjunção coordenativa) e. |
Letter map: uai vs und
Shared letters muted; letters that set uai and und apart highlighted. Shared run: 1.
Part-of-speech tell for uai / und
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: uai is anintj and undaconjunction. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 67117, derived from the frequency rank of both members and their visual similarity.
uai is recorded at frequency rank #37,566, classified as anintj. und is at rank #29,551, tagged as aconj, pronounced /ʊnt/.
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 67117, this pair ranks #4,747 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of uai vs und
Shared letters: u. Private to "uai": ai. Private to "und": dn.
"uai" · 3 letters · shape VVV · "und" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "uai" for "und" ever safe?
Frequency check: "uai" vs "und" - which ranks higher?
Useful next steps
You've compared "uai" and "und". Here's where to go from here.
- Full dictionary entry for "uai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "und" - compare definitions side by side with the headword page. Word entry
- This pair ranks #4,747 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "uai" and "und" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs uai". Nearby pair
Confusion rank #4,747 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.