decidirsevsdecidisteTell them apart

Which to use

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

#26,792
“decidirse” frequency rank
#25,982
“decidiste” frequency rank
52774
confusion score

Side-by-Side Comparison

Feature decidirse decidiste
Definition Adoptar una determinación o actitud, especialmente después de dudar o pensarlo durante un tiempo. Segunda persona del singular (tú, vos) del pretérito perfecto simple de indicativo de decidir o de decidirse.

Where the eye mixes decidirse and decidiste

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. decidirse and decidiste follow the identical consonant-vowel pattern (CVCVCVCCV). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
decidirse
9 ch
decidiste

Visual trap between decidirse and decidiste

A purely visual mix-up. decidirse ([d̪esiˈð̞iɾse]) and decidiste ([d̪esiˈð̞ist̪e]) 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 52774, derived from the frequency rank of both members and their visual similarity.

decidirse is recorded at frequency rank #26,792, classified as averb, pronounced [d̪esiˈð̞iɾse]. decidiste is at rank #25,982, tagged as averb, pronounced [d̪esiˈð̞ist̪e].

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 52774, this pair ranks #91,080 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of decidirse vs decidiste

Shared letters: cdeis. Private to "decidirse": r. Private to "decidiste": t.

"decidirse" · 9 letters · shape CVCVCVCCV  ·  "decidiste" · 9 letters · shape CVCVCVCCV

Known mistypes of this pair

  • decidirse ← dceidirse · ddecidirse · deccidirse · decdiirse · deciddirse · decidirce · decidires · decidirrse
  • decidiste ← dceidiste · ddecidiste · deccidiste · decdiiste · deciddiste · decidiset · decidisste · decidistte

Frequently Asked Questions

Do "decidirse" and "decidiste" mean the same thing in a sentence?
No. They are said differently ([d̪esiˈð̞iɾse] versus [d̪esiˈð̞ist̪e]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "decidirse" or "decidiste"?
"decidiste" is the more common of the two: it sits at frequency rank #25,982 in our Spanish list, against #26,792 for "decidirse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "decidirse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "decidiste" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #91,080 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "decidirse" and "decidiste" also get mixed up with nearby pairs, the highest-scored neighbour is "decidirán vs decidirse". 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 #91,080 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