única vs unity, What's the Difference?

Which to use

“única” is an adjective and “unity” is a noun - they look or sound alike but fill different roles in a sentence.

#599
“única” frequency rank: #32,024
“unity” frequency rank: 32623
confusion score

Side-by-Side Comparison

Feature	única	unity
Definition	Forma del femenino singular de único.	Unidad.

Where the spellings diverge

Shared letters are muted; the letters that actually set única and unity apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

5 ch

única

5 ch

unity

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: única is [ˈunika] while unity is /ˈjuː.nɪ.ti/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 32623, derived from the frequency rank of both members and their visual similarity.

única is recorded at frequency rank #599, classified as anadj, pronounced [ˈunika]. unity is at rank #32,024, tagged as anoun, pronounced /ˈjuː.nɪ.ti/.

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 32623, this pair ranks #201,025 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of única vs unity

Shared letters: in. Private to "única": acú. Private to "unity": tuy.

"única" · 5 letters · shape VCVCV · "unity" · 5 letters · shape VCVCV

Known mistypes of this pair

unity ← nuity · uinty · unitty · unityy · uniyt · unnity · untiy

Frequency comparison

única#599

unity#32,024

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "única" and "unity" be used interchangeably?

No - they are not even the same part of speech. "única" is an adjective and "unity" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "única" or "unity"?

"única" is the more common of the two: it sits at frequency rank #599 in our Spanish list, against #32,024 for "unity". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering única vs unity

The fastest way to pick the right one every time.

Check the role first: if you need an adjective, it's “única”; for a noun, it's “unity”.
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