Which to use
“per” is a preposition and “puro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #5,775
- “per” frequency rank
- #3,796
- “puro” frequency rank
- 9571
- confusion score
Side-by-Side Comparison
| Feature | per | puro |
|---|---|---|
| Definition | por | sem impurezas; límpido |
Letter map: per vs puro
Shared letters muted; letters that set per and puro apart highlighted. Shared run: 2.
Part-of-speech tell for per / puro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: per is apreposition and puroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 9571, derived from the frequency rank of both members and their visual similarity.
per is recorded at frequency rank #5,775, classified as aprep. puro is at rank #3,796, tagged as anadj, pronounced /ˈpu.ɾu/.
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 9571, this pair ranks #63,811 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of per vs puro
Shared letters: pr. Private to "per": e. Private to "puro": ou.
"per" · 3 letters · shape CVC · "puro" · 4 letters · shape CVCV
Known mistypes of this pair
- puro ← ppuro · pruo · puor · purro · upro
Frequently Asked Questions
Can "per" and "puro" be used interchangeably?
Frequency check: "per" vs "puro" - which ranks higher?
What to do next
Pair "per" vs "puro" 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 "puro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #63,811 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "per" and "puro" 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 #63,811 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.