unido vs uno, What's the Difference?

Which to use

“unido” is a verb and “uno” is a num - they look or sound alike but fill different roles in a sentence.

#1,593
“unido” frequency rank: #77
“uno” frequency rank: 1670
confusion score

Side-by-Side Comparison

Feature	unido	uno
Definition	Participio de unir.	La cantidad de una cosa solitaria (a saber, sin otros).

Where the spellings diverge

Shared letters are muted; the letters that actually set unido and uno apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch

unido

3 ch

uno

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: unido is [uˈnið̞o] while uno is [ˈuno]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs num), which is usually the fastest check. Our composite confusion score for this pair is 1670, derived from the frequency rank of both members and their visual similarity.

unido is recorded at frequency rank #1,593, classified as averb, pronounced [uˈnið̞o]. uno is at rank #77, tagged as anum, pronounced [ˈuno].

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 1670, this pair ranks #321,655 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of unido vs uno

Shared letters: nou. Private to "unido": di. Private to "uno": -.

"unido" · 5 letters · shape VCVCV · "uno" · 3 letters · shape VCV

Known mistypes of this pair

unido ← nuido · uindo · undio · uniddo · uniod · unnido

Frequency comparison

unido#1,593

uno#77

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "unido" and "uno" be used interchangeably?

No - they are not even the same part of speech. "unido" is a verb and "uno" a num, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "unido" or "uno"?

"uno" is the more common of the two: it sits at frequency rank #77 in our Spanish list, against #1,593 for "unido". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering unido vs uno

The fastest way to pick the right one every time.

Check the role first: if you need a verb, it's “unido”; for a num, it's “uno”.
See each word in full, definition, IPA, etymology and its other confusables. Full “unido” entry
Browse more pairs most likely to be confused. Most confusable