decidiránvsdecidirseWhich spelling fits?

Which to use

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

#34,975
“decidirán” frequency rank
#26,792
“decidirse” frequency rank
61767
confusion score

Side-by-Side Comparison

Feature decidirán decidirse
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del futuro de indicativo de decidir o de decidirse. Adoptar una determinación o actitud, especialmente después de dudar o pensarlo durante un tiempo.

Where the eye mixes decidirán and decidirse

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. decidirán (CVCVCVCVC) and decidirse (CVCVCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
decidirán
9 ch
decidirse

Visual trap between decidirán and decidirse

A purely visual mix-up. decidirán ([d̪esið̞iˈɾãn]) and decidirse ([d̪esiˈð̞iɾse]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 61767, derived from the frequency rank of both members and their visual similarity.

decidirán is recorded at frequency rank #34,975, classified as averb, pronounced [d̪esið̞iˈɾãn]. decidirse is at rank #26,792, tagged as averb, pronounced [d̪esiˈð̞iɾse].

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 61767, this pair ranks #54,317 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of decidirán vs decidirse

Shared letters: cdeir. Private to "decidirán": ná. Private to "decidirse": s.

"decidirán" · 9 letters · shape CVCVCVCVC  ·  "decidirse" · 9 letters · shape CVCVCVCCV

Known mistypes of this pair

  • decidirse ← dceidirse · ddecidirse · deccidirse · decdiirse · deciddirse · decidirce · decidires · decidirrse

Frequently Asked Questions

Do "decidirán" and "decidirse" mean the same thing in a sentence?
No. They are said differently ([d̪esið̞iˈɾãn] versus [d̪esiˈð̞iɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "decidirán" or "decidirse"?
"decidirse" is the more common of the two: it sits at frequency rank #26,792 in our Spanish list, against #34,975 for "decidirán". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "decidirán" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decidirse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #54,317 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "decidirán" and "decidirse" 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 #54,317 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