autóctonavsautóctonasConfusable pair

Which to use

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

#29,058
“autóctona” frequency rank
#34,451
“autóctonas” frequency rank
63509
confusion score

Side-by-Side Comparison

Feature autóctona autóctonas
Definition Forma del femenino de autóctono. Forma del femenino plural de autóctono.

Where the eye mixes autóctona and autóctonas

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

9 ch
autóctona
10 ch
autóctonas

Why the eye confuses autóctona with autóctonas

A purely visual mix-up. autóctona ([awˈt̪okt̪ona]) and autóctonas ([awˈt̪okt̪onas]) 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) - “autóctona” sits inside “autóctonas”. Our composite confusion score for this pair is 63509, derived from the frequency rank of both members and their visual similarity.

autóctona is recorded at frequency rank #29,058, classified as anadj, pronounced [awˈt̪okt̪ona]. autóctonas is at rank #34,451, tagged as anadj, pronounced [awˈt̪okt̪onas].

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 63509, this pair ranks #48,520 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of autóctona vs autóctonas

Shared letters: acnotuó. Private to "autóctona": -. Private to "autóctonas": s.

"autóctona" · 9 letters · shape VVCVCCVCV  ·  "autóctonas" · 10 letters · shape VVCVCCVCVC

Frequently Asked Questions

Is swapping "autóctona" for "autóctonas" ever safe?
No. They are said differently ([awˈt̪okt̪ona] versus [awˈt̪okt̪onas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "autóctona" or "autóctonas" show up more?
"autóctona" is the more common of the two: it sits at frequency rank #29,058 in our Spanish list, against #34,451 for "autóctonas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "autóctona" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "autóctonas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #48,520 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "autóctona" and "autóctonas" also get mixed up with nearby pairs, the highest-scored neighbour is "autóctonas vs autóctono". Nearby pair

Confusion rank #48,520 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