Which to use
“única” is an adjective and “unido” is a verb - they look or sound alike but fill different roles in a sentence.
- #599
- “única” frequency rank
- #1,593
- “unido” frequency rank
- 2192
- confusion score
Side-by-Side Comparison
| Feature | única | unido |
|---|---|---|
| Definition | Forma del femenino singular de único. | Participio de unir. |
Where the spellings diverge
Shared letters are muted; the letters that actually set única and unido apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: única is [ˈunika] while unido is [uˈnið̞o]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 2192, derived from the frequency rank of both members and their visual similarity.
única is recorded at frequency rank #599, classified as anadj, pronounced [ˈunika]. unido is at rank #1,593, tagged as averb, pronounced [uˈnið̞o].
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 2192, this pair ranks #320,816 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of única vs unido
Shared letters: in. Private to "única": acú. Private to "unido": dou.
"única" · 5 letters · shape VCVCV · "unido" · 5 letters · shape VCVCV
Known mistypes of this pair
- unido ← nuido · uindo · undio · uniddo · uniod · unnido
Frequency comparison
Frequently Asked Questions
Can "única" and "unido" be used interchangeably?
Which is more common, "única" or "unido"?
Remembering única vs unido
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “única”; for a verb, it's “unido”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “única” entry
- Browse more pairs most likely to be confused. Most confusable