úvsumaWhat's the difference?

Quick tell: ú is a adverb, uma is an article, so they fill different roles in a sentence.

Which to use

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

#44,175
“ú” frequency rank
#13
“uma” frequency rank
44188
confusion score

Side-by-Side Comparison

Feature ú uma
Definition onde feminino de um

Letter map: ú vs uma

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

1 ch
ú
3 ch
uma

Grammar separator: ú vs uma

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ú is anadverb and umaanarticle. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 44188, derived from the frequency rank of both members and their visual similarity.

ú is recorded at frequency rank #44,175, classified as anadv. uma is at rank #13, tagged as anarticle, pronounced /ˈu.mɐ/.

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 44188, this pair ranks #21,347 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ú vs uma

Shared letters: none. Private to "ú": ú. Private to "uma": amu.

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

Frequently Asked Questions

Can "ú" and "uma" be used interchangeably?
No - they are not even the same part of speech. "ú" is an adverb and "uma" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ú" or "uma"?
"uma" is the more common of the two: it sits at frequency rank #13 in our Portuguese list, against #44,175 for "ú". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "ú" and "uma".

  • Full dictionary entry for "ú" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "uma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,347 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ú" and "uma" also get mixed up with nearby pairs, the highest-scored neighbour is "ú vs UBS". Nearby pair

Confusion rank #21,347 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list