cuestionariovscuestionaronTell them apart

Quick tell: cuestionario is a noun, cuestionaron is a verb, so they fill different roles in a sentence.

Which to use

“cuestionario” is a noun and “cuestionaron” is a verb - they look or sound alike but fill different roles in a sentence.

#14,325
“cuestionario” frequency rank
#49,556
“cuestionaron” frequency rank
63881
confusion score

Side-by-Side Comparison

Feature cuestionario cuestionaron
Definition Conjunto de preguntas planteadas con un fin determinado Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de cuestionar.

Where the eye mixes cuestionario and cuestionaron

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. cuestionario (CVVCCVVCVCVV) and cuestionaron (CVVCCVVCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

12 ch
cuestionario
12 ch
cuestionaron

Why the eye confuses cuestionario with cuestionaron

These two trip readers on the page rather than in the ear: cuestionario is [kwest̪joˈnaɾjo] while cuestionaron is [kwest̪joˈnaɾõn]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 63881, derived from the frequency rank of both members and their visual similarity.

cuestionario is recorded at frequency rank #14,325, classified as anoun, pronounced [kwest̪joˈnaɾjo]. cuestionaron is at rank #49,556, tagged as averb, pronounced [kwest̪joˈnaɾõn].

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 63881, this pair ranks #47,280 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of cuestionario vs cuestionaron

Shared letters: aceinorstu. Private to "cuestionario": -. Private to "cuestionaron": -.

"cuestionario" · 12 letters · shape CVVCCVVCVCVV  ·  "cuestionaron" · 12 letters · shape CVVCCVVCVCVC

Known mistypes of this pair

  • cuestionario ← ccuestionario · ceustionario · cuesitonario · cuesstionario · cuestinoario · cuestioanrio · cuestionairo · cuestionaroi
  • cuestionaron ← ccuestionaron · ceustionaron · cuesitonaron · cuesstionaron · cuestinoaron · cuestioanron · cuestionaorn · cuestionarno

Frequently Asked Questions

Can "cuestionario" and "cuestionaron" be used interchangeably?
No - they are not even the same part of speech. "cuestionario" is a noun and "cuestionaron" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "cuestionario" or "cuestionaron" show up more?
"cuestionario" is the more common of the two: it sits at frequency rank #14,325 in our Spanish list, against #49,556 for "cuestionaron". 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 "cuestionario" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuestionaron" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,280 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cuestionario" and "cuestionaron" also get mixed up with nearby pairs, the highest-scored neighbour is "cuestionados vs cuestionaron". 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 #47,280 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