pacevspaiTell them apart

Quick tell: pace is a adverb, pai is a noun, so they fill different roles in a sentence.

Which to use

“pace” is an adverb and “pai” is a noun - they look or sound alike but fill different roles in a sentence.

#29,071
“pace” frequency rank
#240
“pai” frequency rank
29311
confusion score

Side-by-Side Comparison

Feature pace pai
Definition em paz, pacificamente homem que tem filhos, naturais ou adotivos

Letter map: pace vs pai

Shared letters muted; letters that set pace and pai apart highlighted. Shared run: 2.

4 ch
pace
3 ch
pai

Part-of-speech tell for pace / pai

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pace is anadverb and paianoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29311, derived from the frequency rank of both members and their visual similarity.

pace is recorded at frequency rank #29,071, classified as anadv, pronounced /ˈpa.t͡se/, /ˈpɑ.t͡sɛ/. pai is at rank #240, 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 29311, this pair ranks #39,368 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pace vs pai

Shared letters: ap. Private to "pace": ce. Private to "pai": i.

"pace" · 4 letters · shape CVCV  ·  "pai" · 3 letters · shape CVV

Known mistypes of this pair

  • paceapce · pacce · paec · pcae · ppace

Frequently Asked Questions

Is swapping "pace" for "pai" ever safe?
No - they are not even the same part of speech. "pace" is an adverb and "pai" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "pace" or "pai" show up more?
"pai" is the more common of the two: it sits at frequency rank #240 in our Portuguese list, against #29,071 for "pace". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "pace" and "pai". Here's where to go from here.

  • Full dictionary entry for "pace" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,368 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pace" and "pai" also get mixed up with nearby pairs, the highest-scored neighbour is "pace vs pale". 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 #39,368 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