decididasvsdecisivasWhat's the difference?

Quick tell: decididas is a participle, decisivas is an adjective, so they fill different roles in a sentence.

Which to use

“decididas” is a participle and “decisivas” is an adjective - they look or sound alike but fill different roles in a sentence.

#44,679
“decididas” frequency rank
#34,538
“decisivas” frequency rank
79217
confusion score

Side-by-Side Comparison

Feature decididas decisivas
Definition Forma del femenino plural de decidido, participio de decidir. Forma del femenino plural de decisivo.

Where the eye mixes decididas and decisivas

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

9 ch
decididas
9 ch
decisivas

Visual trap between decididas and decisivas

These two trip readers on the page rather than in the ear: decididas is [d̪esiˈð̞ið̞as] while decisivas is [d̪esiˈsiβ̞as]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (participle vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 79217, derived from the frequency rank of both members and their visual similarity.

decididas is recorded at frequency rank #44,679, classified as aparticiple, pronounced [d̪esiˈð̞ið̞as]. decisivas is at rank #34,538, tagged as anadj, pronounced [d̪esiˈsiβ̞as].

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 79217, this pair ranks #13,318 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of decididas vs decisivas

Shared letters: acdeis. Private to "decididas": -. Private to "decisivas": v.

"decididas" · 9 letters · shape CVCVCVCVC  ·  "decisivas" · 9 letters · shape CVCVCVCVC

Known mistypes of this pair

  • decididasdceididas · ddecididas · deccididas · decdiidas · deciddias · deciddidas · decidiads · decididass
  • decisivasdceisivas · ddecisivas · deccisivas · decicivas · deciisvas · decisiavs · decisibas · decisivass

Frequently Asked Questions

Do "decididas" and "decisivas" mean the same thing in a sentence?
No - they are not even the same part of speech. "decididas" is a participle and "decisivas" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "decididas" vs "decisivas" - which ranks higher?
"decisivas" is the more common of the two: it sits at frequency rank #34,538 in our Spanish list, against #44,679 for "decididas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "decididas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decisivas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #13,318 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "decididas" and "decisivas" also get mixed up with nearby pairs, the highest-scored neighbour is "decididas vs decidirán". 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 #13,318 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