decidieronvsdecidiránWhat's the difference?

Which to use

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

#4,698
“decidieron” frequency rank
#34,975
“decidirán” frequency rank
39673
confusion score

Side-by-Side Comparison

Feature decidieron decidirán
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de decidir o de decidirse. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del futuro de indicativo de decidir o de decidirse.

Where the eye mixes decidieron and decidirán

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. decidieron runs 10 letters (CVCVCVVCVC) against decidirán's 9 (CVCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
decidieron
9 ch
decidirán

Why the eye confuses decidieron with decidirán

A purely visual mix-up. decidieron ([d̪esiˈð̞jeɾõn]) and decidirán ([d̪esið̞iˈɾãn]) 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 letter(s) in length. Our composite confusion score for this pair is 39673, derived from the frequency rank of both members and their visual similarity.

decidieron is recorded at frequency rank #4,698, classified as averb, pronounced [d̪esiˈð̞jeɾõn]. decidirán is at rank #34,975, tagged as averb, pronounced [d̪esið̞iˈɾãn].

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 39673, this pair ranks #163,262 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decidieron vs decidirán

Shared letters: cdeinr. Private to "decidieron": o. Private to "decidirán": á.

"decidieron" · 10 letters · shape CVCVCVVCVC  ·  "decidirán" · 9 letters · shape CVCVCVCVC

Known mistypes of this pair

  • decidieron ← dceidieron · ddecidieron · deccidieron · decdiieron · deciddieron · decideiron · decidieorn · decidierno

Frequently Asked Questions

Is swapping "decidieron" for "decidirán" ever safe?
No. They are said differently ([d̪esiˈð̞jeɾõn] versus [d̪esið̞iˈɾãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "decidieron" vs "decidirán" - which ranks higher?
"decidieron" is the more common of the two: it sits at frequency rank #4,698 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.

Useful next steps

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

  • Full dictionary entry for "decidieron" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decidirán" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #163,262 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "decidieron" and "decidirán" 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 #163,262 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