Which to use
“un” is an article and “UNIX” is a name - they look or sound alike but fill different roles in a sentence.
- #10
- “un” frequency rank
- #41,113
- “UNIX” frequency rank
- 41123
- confusion score
Side-by-Side Comparison
| Feature | un | UNIX |
|---|---|---|
| Definition | Artículo indeterminado masculino singular. | Sistema operativo multitárea y multiusuario desarrollado en 1969 por los ingenieros del laboratorio Bell de AT&T, UNIX implementó la estructura POSIX, usada actualmente por otros sistemas operativos como Linux, Solaris o BSD. |
Where the spellings diverge
Shared letters are muted; the letters that actually set un and UNIX apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
un and UNIX form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “un” sits inside “UNIX” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 41123, derived from the frequency rank of both members and their visual similarity.
un is recorded at frequency rank #10, classified as anarticle, pronounced [ũn]. UNIX is at rank #41,113, tagged as aname, pronounced [uˈniks].
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 41123, this pair ranks #155,408 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "un" and "UNIX" be used interchangeably?
Remembering un vs UNIX
The fastest way to pick the right one every time.
- Check the role first: if you need an article, it's “un”; for a name, it's “UNIX”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “un” entry
- Browse more pairs most likely to be confused. Most confusable