Which to use
“per” is a preposition and “pior” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,775
- “per” frequency rank
- #745
- “pior” frequency rank
- 6520
- confusion score
Side-by-Side Comparison
| Feature | per | pior |
|---|---|---|
| Definition | por | o que é inferior a tudo o mais |
Letter map: per vs pior
Shared letters muted; letters that set per and pior apart highlighted. Shared run: 2.
Role in the sentence - per and pior
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: per is apreposition and pioranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6520, derived from the frequency rank of both members and their visual similarity.
per is recorded at frequency rank #5,775, classified as aprep. pior is at rank #745, tagged as anoun, pronounced /pɪ.ˈɒɹ/.
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 6520, this pair ranks #67,895 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of per vs pior
Shared letters: pr. Private to "per": e. Private to "pior": io.
"per" · 3 letters · shape CVC · "pior" · 4 letters · shape CVVC
Known mistypes of this pair
- pior ← ipor · piorr · piro · poir · ppior
Frequently Asked Questions
Can "per" and "pior" be used interchangeably?
Frequency check: "per" vs "pior" - which ranks higher?
What to do next
Pair "per" vs "pior" is on the table, pick a follow-up below.
- Full dictionary entry for "per" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pior" - compare definitions side by side with the headword page. Word entry
- This pair ranks #67,895 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "per" and "pior" also get mixed up with nearby pairs, the highest-scored neighbour is "per 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 #67,895 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.