piravspixWhich spelling fits?

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

Which to use

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

#22,419
“pira” frequency rank
#47,539
“pix” frequency rank
69958
confusion score

Side-by-Side Comparison

Feature pira pix
Definition pira que ocorre pelo sistema brasileiro de transferência bancária digital instantânea Pix

Letter map: pira vs pix

Shared letters muted; letters that set pira and pix apart highlighted. Shared run: 2. pira runs 4 letters (CVCV) against pix's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
pira
3 ch
pix

Role in the sentence - pira and pix

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pira is anoun and pixanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 69958, derived from the frequency rank of both members and their visual similarity.

pira is recorded at frequency rank #22,419, classified as anoun, pronounced /'pira/.. pix is at rank #47,539, tagged as anadj.

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 69958, this pair ranks #3,782 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of pira vs pix

Shared letters: ip. Private to "pira": ar. Private to "pix": x.

"pira" · 4 letters · shape CVCV  ·  "pix" · 3 letters · shape CVC

Known mistypes of this pair

  • pira ← ipra · piar · pirra · ppira · pria

Frequently Asked Questions

Is swapping "pira" for "pix" ever safe?
No - they are not even the same part of speech. "pira" is a noun and "pix" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "pira" or "pix" show up more?
"pira" is the more common of the two: it sits at frequency rank #22,419 in our Portuguese list, against #47,539 for "pix". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "pira" and "pix". Here's where to go from here.

  • Full dictionary entry for "pira" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,782 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pira" and "pix" also get mixed up with nearby pairs, the highest-scored neighbour is "pito 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 #3,782 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