únicas vs único, What's the Difference?

Which to use

“únicas” and “único” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#5,685
“únicas” frequency rank: #368
“único” frequency rank: 6053
confusion score

Side-by-Side Comparison

Feature	únicas	único
Definition	Forma del femenino plural de único.	Dícese de lo que hay uno y solo un ejemplar.

Where the spellings diverge

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

6 ch

únicas

5 ch

único

Spelling & Dictionary Insight

A purely visual mix-up. únicas ([ˈunikas]) and único ([ˈuniko]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6053, derived from the frequency rank of both members and their visual similarity.

únicas is recorded at frequency rank #5,685, classified as anadj, pronounced [ˈunikas]. único is at rank #368, tagged as anadj, pronounced [ˈuniko].

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 6053, this pair ranks #311,902 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of únicas vs único

Shared letters: cinú. Private to "únicas": as. Private to "único": o.

"únicas" · 6 letters · shape VCVCVC · "único" · 5 letters · shape VCVCV

Frequency comparison

únicas#5,685

único#368

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "únicas" and "único" be used interchangeably?

No. They are said differently ([ˈunikas] versus [ˈuniko]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "únicas" or "único"?

"único" is the more common of the two: it sits at frequency rank #368 in our Spanish list, against #5,685 for "únicas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering únicas vs único

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “únicas” entry
Browse more pairs most likely to be confused. Most confusable