fisiológicasvsfisiológicosWhat's the difference?

Which to use

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

#39,761
“fisiológicas” frequency rank
#40,842
“fisiológicos” frequency rank
80603
confusion score

Side-by-Side Comparison

Feature fisiológicas fisiológicos
Definition Forma del femenino plural de fisiológico. Forma del plural de fisiológico.

Where the eye mixes fisiológicas and fisiológicos

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. fisiológicas and fisiológicos follow the identical consonant-vowel pattern (CVCVVCVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

12 ch
fisiológicas
12 ch
fisiológicos

Look-alike desk: fisiológicas vs fisiológicos

A purely visual mix-up. fisiológicas ([fisjoˈloxikas]) and fisiológicos ([fisjoˈloxikos]) 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 a single letter - a in “fisiológicas” becomes o in “fisiológicos”. Our composite confusion score for this pair is 80603, derived from the frequency rank of both members and their visual similarity.

fisiológicas is recorded at frequency rank #39,761, classified as anadj, pronounced [fisjoˈloxikas]. fisiológicos is at rank #40,842, tagged as anadj, pronounced [fisjoˈloxikos].

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 80603, this pair ranks #11,437 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of fisiológicas vs fisiológicos

Shared letters: cfgilosó. Private to "fisiológicas": a. Private to "fisiológicos": -.

"fisiológicas" · 12 letters · shape CVCVVCVCVCVC  ·  "fisiológicos" · 12 letters · shape CVCVVCVCVCVC

Frequently Asked Questions

Can "fisiológicas" and "fisiológicos" be used interchangeably?
No. They are said differently ([fisjoˈloxikas] versus [fisjoˈloxikos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fisiológicas" or "fisiológicos"?
"fisiológicas" is the more common of the two: it sits at frequency rank #39,761 in our Spanish list, against #40,842 for "fisiológicos". 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 "fisiológicas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fisiológicos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,437 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fisiológicas" and "fisiológicos" also get mixed up with nearby pairs, the highest-scored neighbour is "fisiológico vs fisiológicos". Nearby pair

Confusion rank #11,437 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