paxvspixWhich spelling fits?

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

Which to use

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

#26,136
“pax” frequency rank
#47,539
“pix” frequency rank
73675
confusion score

Side-by-Side Comparison

Feature pax pix
Definition indivíduo, cabeça que ocorre pelo sistema brasileiro de transferência bancária digital instantânea Pix

Letter map: pax vs pix

Shared letters muted; letters that set pax and pix apart highlighted. Shared run: 2. pax and pix follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
pax
3 ch
pix

Part-of-speech tell for pax / pix

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pax is anoun and pixanadjective. On the page they differ by a single letter - a in “pax” becomes i in “pix”. Our composite confusion score for this pair is 73675, derived from the frequency rank of both members and their visual similarity.

pax is recorded at frequency rank #26,136, classified as anoun. 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 73675, this pair ranks #2,714 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of pax vs pix

Shared letters: px. Private to "pax": a. Private to "pix": i.

"pax" · 3 letters · shape CVC  ·  "pix" · 3 letters · shape CVC

Frequently Asked Questions

Can "pax" and "pix" be used interchangeably?
No - they are not even the same part of speech. "pax" is a noun and "pix" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "pax" or "pix" show up more?
"pax" is the more common of the two: it sits at frequency rank #26,136 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 "pax" and "pix". Here's where to go from here.

  • Full dictionary entry for "pax" 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 #2,714 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pax" and "pix" also get mixed up with nearby pairs, the highest-scored neighbour is "pito vs pix". Nearby pair

Confusion rank #2,714 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