questionarvsquestionárioWhich spelling fits?

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

Which to use

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

#6,804
“questionar” frequency rank
#17,901
“questionário” frequency rank
24705
confusion score

Side-by-Side Comparison

Feature questionar questionário
Definition perguntar, indagar sobre conjunto de perguntas com um determinado objetivo

Letter map: questionar vs questionário

Shared letters muted; letters that set questionar and questionário apart highlighted. Shared run: 9. questionar runs 10 letters (CVVCCVVCVC) against questionário's 12 (CVVCCVVCVCVV) - the length gap alone is often enough to separate them once you know to check it.

10 ch
questionar
12 ch
questionário

Role in the sentence - questionar and questionário

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: questionar is averb and questionárioanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 24705, derived from the frequency rank of both members and their visual similarity.

questionar is recorded at frequency rank #6,804, classified as averb, pronounced /kɨʃ.tju.ˈnaɾ/. questionário is at rank #17,901, tagged as anoun.

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 24705, this pair ranks #44,837 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of questionar vs questionário

Shared letters: einoqrstu. Private to "questionar": a. Private to "questionário": á.

"questionar" · 10 letters · shape CVVCCVVCVC  ·  "questionário" · 12 letters · shape CVVCCVVCVCVV

Known mistypes of this pair

  • questionar ← qeustionar · qquestionar · quesitonar · quesstionar · questinoar · questioanr · questionarr · questionnar

Frequently Asked Questions

Is swapping "questionar" for "questionário" ever safe?
No - they are not even the same part of speech. "questionar" is a verb and "questionário" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "questionar" vs "questionário" - which ranks higher?
"questionar" is the more common of the two: it sits at frequency rank #6,804 in our Portuguese list, against #17,901 for "questionário". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "questionar" vs "questionário" is on the table, pick a follow-up below.

  • Full dictionary entry for "questionar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "questionário" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,837 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • 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 #44,837 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list