biológicasvsbiológicoWhat's the difference?

Which to use

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

#16,513
“biológicas” frequency rank
#10,986
“biológico” frequency rank
27499
confusion score

Side-by-Side Comparison

Feature biológicas biológico
Definition Forma del femenino plural de biológico. Propio de la biología o relacionado con ella.

Where the eye mixes biológicas and biológico

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. biológicas runs 10 letters (CVVCVCVCVC) against biológico's 9 (CVVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.

10 ch
biológicas
9 ch
biológico

Look-alike desk: biológicas vs biológico

A purely visual mix-up. biológicas ([bjoˈloxikas]) and biológico ([bjoˈloxiko]) 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 letter(s) in length. Our composite confusion score for this pair is 27499, derived from the frequency rank of both members and their visual similarity.

biológicas is recorded at frequency rank #16,513, classified as anadj, pronounced [bjoˈloxikas]. biológico is at rank #10,986, tagged as anadj, pronounced [bjoˈloxiko].

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 27499, this pair ranks #226,556 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of biológicas vs biológico

Shared letters: bcgiloó. Private to "biológicas": as. Private to "biológico": -.

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

Frequently Asked Questions

Is swapping "biológicas" for "biológico" ever safe?
No. They are said differently ([bjoˈloxikas] versus [bjoˈloxiko]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "biológicas" vs "biológico" - which ranks higher?
"biológico" is the more common of the two: it sits at frequency rank #10,986 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 "biológicas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biológico" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #226,556 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "biológicas" and "biológico" also get mixed up with nearby pairs, the highest-scored neighbour is "biológico vs biólogo". Nearby pair

Confusion rank #226,556 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