Which to use
“uña” and “usina” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,473
- “uña” frequency rank
- #44,500
- “usina” frequency rank
- 60973
- confusion score
Side-by-Side Comparison
| Feature | uña | usina |
|---|---|---|
| Definition | Capa queratinosa (córnea) que recubre el extremo de los dedos del hombre y de algunos animales. Algunos felinos, como los gatos, tienen uñas retráctiles. | Recinto industrial de grandes dimensiones cuya producción se relaciona principalmente con la generación de energía eléctrica. |
Where the eye mixes uña and usina
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. uña runs 3 letters (VCV) against usina's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between uña and usina
A purely visual mix-up. uña ([ˈuɲa]) and usina ([uˈsina]) 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 2 letter(s) in length. Our composite confusion score for this pair is 60973, derived from the frequency rank of both members and their visual similarity.
uña is recorded at frequency rank #16,473, classified as anoun, pronounced [ˈuɲa]. usina is at rank #44,500, tagged as anoun, pronounced [uˈsina].
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 60973, this pair ranks #57,060 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of uña vs usina
Shared letters: au. Private to "uña": ñ. Private to "usina": ins.
"uña" · 3 letters · shape VCV · "usina" · 5 letters · shape VCVCV
Known mistypes of this pair
- usina ← suina · ucina · uisna · usinna · usnia · ussina
Frequently Asked Questions
Can "uña" and "usina" be used interchangeably?
In ordinary Spanish text, does "uña" or "usina" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "uña" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "usina" - compare definitions side by side with the headword page. Word entry
- This pair ranks #57,060 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "uña" and "usina" also get mixed up with nearby pairs, the highest-scored neighbour is "usina vs using". 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 #57,060 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.