decisivovsdecisivosWhat's the difference?

Which to use

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

#9,797
“decisivo” frequency rank
#30,015
“decisivos” frequency rank
39812
confusion score

Side-by-Side Comparison

Feature decisivo decisivos
Definition De lo que decide o resuelve Forma del plural de decisivo.

Where the eye mixes decisivo and decisivos

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

8 ch
decisivo
9 ch
decisivos

Look-alike desk: decisivo vs decisivos

A purely visual mix-up. decisivo ([d̪esiˈsiβ̞o]) and decisivos ([d̪esiˈsiβ̞os]) 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) - “decisivo” sits inside “decisivos”. Our composite confusion score for this pair is 39812, derived from the frequency rank of both members and their visual similarity.

decisivo is recorded at frequency rank #9,797, classified as anadj, pronounced [d̪esiˈsiβ̞o]. decisivos is at rank #30,015, tagged as anadj, pronounced [d̪esiˈsiβ̞os].

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 39812, this pair ranks #162,503 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decisivo vs decisivos

Shared letters: cdeiosv. Private to "decisivo": -. Private to "decisivos": -.

"decisivo" · 8 letters · shape CVCVCVCV  ·  "decisivos" · 9 letters · shape CVCVCVCVC

Known mistypes of this pair

  • decisivo ← dceisivo · ddecisivo · deccisivo · decicivo · deciisvo · decisibo · decisiov · decisivvo
  • decisivos ← dceisivos · ddecisivos · deccisivos · decicivos · deciisvos · decisibos · decisiovs · decisivoss

Frequently Asked Questions

Is swapping "decisivo" for "decisivos" ever safe?
No. They are said differently ([d̪esiˈsiβ̞o] versus [d̪esiˈsiβ̞os]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "decisivo" or "decisivos"?
"decisivo" is the more common of the two: it sits at frequency rank #9,797 in our Spanish list, against #30,015 for "decisivos". 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 "decisivo" and "decisivos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "decisivo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decisivos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #162,503 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "decisivo" and "decisivos" also get mixed up with nearby pairs, the highest-scored neighbour is "decisivas vs decisivos". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #162,503 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