lingüísticavslingüísticasWhat's the difference?

Quick tell: lingüística is a noun, lingüísticas is an adjective, so they fill different roles in a sentence.

Which to use

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

#7,873
“lingüística” frequency rank
#18,885
“lingüísticas” frequency rank
26758
confusion score

Side-by-Side Comparison

Feature lingüística lingüísticas
Definition Disciplina que estudia la lengua (sistema de comunicación humana) y sus fenómenos asociados. Forma del femenino plural de lingüístico.

Where the eye mixes lingüística and lingüísticas

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. lingüística runs 11 letters (CVCCVVCCVCV) against lingüísticas's 12 (CVCCVVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
lingüística
12 ch
lingüísticas

Why the eye confuses lingüística with lingüísticas

These two trip readers on the page rather than in the ear: lingüística is [lĩŋˈgwist̪ika] while lingüísticas is [lĩŋˈgwist̪ikas]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “lingüística” sits inside “lingüísticas”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26758, derived from the frequency rank of both members and their visual similarity.

lingüística is recorded at frequency rank #7,873, classified as anoun, pronounced [lĩŋˈgwist̪ika]. lingüísticas is at rank #18,885, tagged as anadj, pronounced [lĩŋˈgwist̪ikas].

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 26758, this pair ranks #230,103 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lingüística vs lingüísticas

Shared letters: acgilnstíü. Private to "lingüística": -. Private to "lingüísticas": -.

"lingüística" · 11 letters · shape CVCCVVCCVCV  ·  "lingüísticas" · 12 letters · shape CVCCVVCCVCVC

Frequently Asked Questions

Can "lingüística" and "lingüísticas" be used interchangeably?
No - they are not even the same part of speech. "lingüística" is a noun and "lingüísticas" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lingüística" or "lingüísticas"?
"lingüística" is the more common of the two: it sits at frequency rank #7,873 in our Spanish list, against #18,885 for "lingüísticas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "lingüística" and "lingüísticas" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lingüística" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lingüísticas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #230,103 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lingüística" and "lingüísticas" also get mixed up with nearby pairs, the highest-scored neighbour is "lingüistas vs lingüísticas". Nearby pair

Confusion rank #230,103 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list