ú vs uno, What's the Difference?

Which to use

“ú” is an adverb and “uno” is an adjective - they look or sound alike but fill different roles in a sentence.

#44,175
“ú” frequency rank: #11,761
“uno” frequency rank: 55936
confusion score

Side-by-Side Comparison

Feature	ú	uno
Definition	onde	único

Letter map: ú vs uno

Shared letters muted; letters that set ú and uno apart highlighted. No shared letter run.

1 ch

3 ch

uno

Part-of-speech tell for ú / uno

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ú is anadverb and unoanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 55936, derived from the frequency rank of both members and their visual similarity.

ú is recorded at frequency rank #44,175, classified as anadv. uno is at rank #11,761, tagged as anadj, pronounced /ˈunu/.

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 55936, this pair ranks #10,287 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ú vs uno

Shared letters: none. Private to "ú": ú. Private to "uno": nou.

"ú" · 1 letters · shape V · "uno" · 3 letters · shape VCV

Frequently Asked Questions

Do "ú" and "uno" mean the same thing in a sentence?

No - they are not even the same part of speech. "ú" is an adverb and "uno" an adjective, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "ú" vs "uno" - which ranks higher?

"uno" is the more common of the two: it sits at frequency rank #11,761 in our Portuguese list, against #44,175 for "ú". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "ú" and "uno". Here's where to go from here.

Full dictionary entry for "ú" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "uno" - compare definitions side by side with the headword page. Word entry
This pair ranks #10,287 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ú" and "uno" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs UBS". Nearby pair

Confusion rank #10,287 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.