biológicavsbiológicasTell them apart

Which to use

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

#10,620
“biológica” frequency rank
#16,513
“biológicas” frequency rank
27133
confusion score

Side-by-Side Comparison

Feature biológica biológicas
Definition Forma del femenino de biológico. Forma del femenino plural de biológico.

Where the eye mixes biológica and biológicas

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. biológica runs 9 letters (CVVCVCVCV) against biológicas's 10 (CVVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
biológica
10 ch
biológicas

Look-alike desk: biológica vs biológicas

A purely visual mix-up. biológica ([bjoˈloxika]) and biológicas ([bjoˈloxikas]) 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) - “biológica” sits inside “biológicas”. Our composite confusion score for this pair is 27133, derived from the frequency rank of both members and their visual similarity.

biológica is recorded at frequency rank #10,620, classified as anadj, pronounced [bjoˈloxika]. biológicas is at rank #16,513, tagged as anadj, pronounced [bjoˈloxikas].

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 27133, this pair ranks #228,294 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of biológica vs biológicas

Shared letters: abcgiloó. Private to "biológica": -. Private to "biológicas": s.

"biológica" · 9 letters · shape CVVCVCVCV  ·  "biológicas" · 10 letters · shape CVVCVCVCVC

Frequently Asked Questions

Do "biológica" and "biológicas" mean the same thing in a sentence?
No. They are said differently ([bjoˈloxika] versus [bjoˈloxikas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "biológica" or "biológicas"?
"biológica" is the more common of the two: it sits at frequency rank #10,620 in our Spanish list, against #16,513 for "biológicas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "biológica" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biológicas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #228,294 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "biológica" and "biológicas" also get mixed up with nearby pairs, the highest-scored neighbour is "biológicas vs biológicos". Nearby pair

Confusion rank #228,294 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