unidadvsunidoWhat's the difference?

Quick tell: unidad is a noun, unido is a verb, so they fill different roles in a sentence.

Which to use

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

#978
“unidad” frequency rank
#1,593
“unido” frequency rank
2571
confusion score

Side-by-Side Comparison

Feature unidad unido
Definition Medida estándar de una cantidad. Participio de unir.

Where the spellings diverge

Shared letters are muted; the letters that actually set unidad and unido apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
unidad
5 ch
unido

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: unidad is [uniˈð̞að̞] while unido is [uˈnið̞o]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 2571, derived from the frequency rank of both members and their visual similarity.

unidad is recorded at frequency rank #978, classified as anoun, pronounced [uniˈð̞að̞]. 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 2571, this pair ranks #320,053 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of unidad vs unido

Shared letters: dinu. Private to "unidad": a. Private to "unido": o.

"unidad" · 6 letters · shape VCVCVC  ·  "unido" · 5 letters · shape VCVCV

Known mistypes of this pair

  • unidadnuidad · uindad · undiad · uniadd · unidadd · unidda · uniddad · unnidad
  • unidonuido · uindo · undio · uniddo · uniod · unnido

Frequency comparison

unidad#978
unido#1,593

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "unidad" and "unido" be used interchangeably?
No - they are not even the same part of speech. "unidad" is a noun and "unido" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "unidad" or "unido"?
"unidad" is the more common of the two: it sits at frequency rank #978 in our Spanish list, against #1,593 for "unido". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering unidad vs unido

The fastest way to pick the right one every time.

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

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

Source: FrequencyWords open word-frequency list