pastvspaxTell them apart

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

Which to use

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

#20,081
“past” frequency rank
#26,136
“pax” frequency rank
46217
confusion score

Side-by-Side Comparison

Feature past pax
Definition passado indivíduo, cabeça

Letter map: past vs pax

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

4 ch
past
3 ch
pax

Role in the sentence - past and pax

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: past is anadjective and paxanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46217, derived from the frequency rank of both members and their visual similarity.

past is recorded at frequency rank #20,081, classified as anadj, pronounced /pɑːst/. pax is at rank #26,136, 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 46217, this pair ranks #19,125 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of past vs pax

Shared letters: ap. Private to "past": st. Private to "pax": x.

"past" · 4 letters · shape CVCC  ·  "pax" · 3 letters · shape CVC

Known mistypes of this pair

  • past ← apst · passt · pastt · pats · ppast · psat

Frequently Asked Questions

Is swapping "past" for "pax" ever safe?
No - they are not even the same part of speech. "past" is an adjective and "pax" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "past" or "pax" show up more?
"past" is the more common of the two: it sits at frequency rank #20,081 in our Portuguese list, against #26,136 for "pax". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "past" and "pax". Here's where to go from here.

  • Full dictionary entry for "past" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pax" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,125 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "past" and "pax" also get mixed up with nearby pairs, the highest-scored neighbour is "pax 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 #19,125 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