piãovspuroWhat's the difference?

Quick tell: pião is a noun, puro is an adjective, so they fill different roles in a sentence.

Which to use

“pião” is a noun and “puro” is an adjective - they look or sound alike but fill different roles in a sentence.

#35,727
“pião” frequency rank
#3,796
“puro” frequency rank
39523
confusion score

Side-by-Side Comparison

Feature pião puro
Definition brinquedo que consiste em puxar uma corda enrolada a um objeto afunilado, geralmente de madeira ou plástico e com uma ponta de ferro, colocando-o em rotação no solo, mantendo-se erguido sem impurezas; límpido

Letter map: pião vs puro

Shared letters muted; letters that set pião and puro apart highlighted. Shared run: 2. pião (CVVV) and puro (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
pião
4 ch
puro

Grammar separator: pião vs puro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pião is anoun and puroanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39523, derived from the frequency rank of both members and their visual similarity.

pião is recorded at frequency rank #35,727, classified as anoun. puro is at rank #3,796, tagged as anadj, pronounced /ˈpu.ɾu/.

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 39523, this pair ranks #26,703 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pião vs puro

Shared letters: op. Private to "pião": iã. Private to "puro": ru.

"pião" · 4 letters · shape CVVV  ·  "puro" · 4 letters · shape CVCV

Known mistypes of this pair

  • puro ← ppuro · pruo · puor · purro · upro

Frequently Asked Questions

Can "pião" and "puro" be used interchangeably?
No - they are not even the same part of speech. "pião" is a noun and "puro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pião" vs "puro" - which ranks higher?
"puro" is the more common of the two: it sits at frequency rank #3,796 in our Portuguese list, against #35,727 for "pião". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "pião" and "puro". Here's where to go from here.

  • Full dictionary entry for "pião" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,703 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pião" and "puro" also get mixed up with nearby pairs, the highest-scored neighbour is "pião vs pix". 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 #26,703 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