Which to use
“unido” is a verb and “unión” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,593
- “unido” frequency rank
- #904
- “unión” frequency rank
- 2497
- confusion score
Side-by-Side Comparison
| Feature | unido | unión |
|---|---|---|
| Definition | Participio de unir. | Acción y efecto de unir o unirse. |
Where the eye mixes unido and unión
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. unido (VCVCV) and unión (VCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between unido and unión
These two trip readers on the page rather than in the ear: unido is [uˈnið̞o] while unión is [uˈnjõn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2497, 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]. unión is at rank #904, tagged as anoun, pronounced [uˈnjõn].
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 2497, this pair ranks #320,200 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of unido vs unión
Shared letters: inu. Private to "unido": do. Private to "unión": ó.
"unido" · 5 letters · shape VCVCV · "unión" · 5 letters · shape VCVVC
Known mistypes of this pair
- unido ← nuido · uindo · undio · uniddo · uniod · unnido
Frequently Asked Questions
Can "unido" and "unión" be used interchangeably?
Which is more common, "unido" or "unión"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "unido" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "unión" - compare definitions side by side with the headword page. Word entry
- This pair ranks #320,200 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "unido" and "unión" also get mixed up with nearby pairs, the highest-scored neighbour is "unión vs upon". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #320,200 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.