Which to use
“um” is an article and “usa” is a verb - they look or sound alike but fill different roles in a sentence.
- #12
- “um” frequency rank
- #1,103
- “usa” frequency rank
- 1115
- confusion score
Side-by-Side Comparison
| Feature | um | usa |
|---|---|---|
| Definition | qualquer | terceira pessoa do singular do presente do indicativo do verbo usar |
Where the eye mixes um and usa
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: um is /ũw/ while usa is /ˈu.zə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (article vs verb), which is usually the fastest check. Our composite confusion score for this pair is 1115, derived from the frequency rank of both members and their visual similarity.
um is recorded at frequency rank #12, classified as anarticle, pronounced /ũw/. usa is at rank #1,103, tagged as averb, pronounced /ˈu.zə/.
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 1115, this pair ranks #74,505 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of um vs usa
Shared letters: u. Private to "um": m. Private to "usa": as.
"um" · 2 letters · shape VC · "usa" · 3 letters · shape VCV