quirúrgicavsquirúrgicasWhich spelling fits?

Which to use

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

#17,797
“quirúrgica” frequency rank
#31,516
“quirúrgicas” frequency rank
49313
confusion score

Side-by-Side Comparison

Feature quirúrgica quirúrgicas
Definition Forma del femenino de quirúrgico. Forma del femenino plural de quirúrgico.

Where the eye mixes quirúrgica and quirúrgicas

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. quirúrgica runs 10 letters (CVVCVCCVCV) against quirúrgicas's 11 (CVVCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
quirúrgica
11 ch
quirúrgicas

Why the eye confuses quirúrgica with quirúrgicas

A purely visual mix-up. quirúrgica ([kiˈɾuɾxika]) and quirúrgicas ([kiˈɾuɾxikas]) 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 extra letter(s) - “quirúrgica” sits inside “quirúrgicas”. Our composite confusion score for this pair is 49313, derived from the frequency rank of both members and their visual similarity.

quirúrgica is recorded at frequency rank #17,797, classified as anadj, pronounced [kiˈɾuɾxika]. quirúrgicas is at rank #31,516, tagged as anadj, pronounced [kiˈɾuɾxikas].

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 49313, this pair ranks #109,557 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of quirúrgica vs quirúrgicas

Shared letters: acgiqruú. Private to "quirúrgica": -. Private to "quirúrgicas": s.

"quirúrgica" · 10 letters · shape CVVCVCCVCV  ·  "quirúrgicas" · 11 letters · shape CVVCVCCVCVC

Frequently Asked Questions

Is swapping "quirúrgica" for "quirúrgicas" ever safe?
No. They are said differently ([kiˈɾuɾxika] versus [kiˈɾuɾxikas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "quirúrgica" or "quirúrgicas"?
"quirúrgica" is the more common of the two: it sits at frequency rank #17,797 in our Spanish list, against #31,516 for "quirúrgicas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "quirúrgica" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "quirúrgicas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #109,557 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "quirúrgica" and "quirúrgicas" also get mixed up with nearby pairs, the highest-scored neighbour is "quirúrgicas vs quirúrgicos". Nearby pair

Confusion rank #109,557 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