Which to use
“ú” is an adverb and “um” is an article - they look or sound alike but fill different roles in a sentence.
- #44,175
- “ú” frequency rank
- #12
- “um” frequency rank
- 44187
- confusion score
Side-by-Side Comparison
| Feature | ú | um |
|---|---|---|
| Definition | onde | qualquer |
Letter map: ú vs um
Shared letters muted; letters that set ú and um apart highlighted. No shared letter run.
Role in the sentence - ú and um
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ú is anadverb and umanarticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44187, derived from the frequency rank of both members and their visual similarity.
ú is recorded at frequency rank #44,175, classified as anadv. um is at rank #12, tagged as anarticle, pronounced /ũw/.
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 44187, this pair ranks #21,349 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ú vs um
Shared letters: none. Private to "ú": ú. Private to "um": mu.
"ú" · 1 letters · shape V · "um" · 2 letters · shape VC
Frequently Asked Questions
Can "ú" and "um" be used interchangeably?
Which is more common, "ú" or "um"?
What to do next
You've compared "ú" and "um". Here's where to go from here.
- Full dictionary entry for "ú" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "um" - compare definitions side by side with the headword page. Word entry
- This pair ranks #21,349 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ú" and "um" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs UBS". Nearby pair
Confusion rank #21,349 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.