Which to use
“perna” and “pira” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,098
- “perna” frequency rank
- #22,419
- “pira” frequency rank
- 25517
- confusion score
Side-by-Side Comparison
| Feature | perna | pira |
|---|---|---|
| Definition | um dos membros posteriores humanos | pira |
Where the eye mixes perna and pira
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. perna runs 5 letters (CVCCV) against pira's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses perna with pira
A purely visual mix-up. perna (/ˈpɛrnɜ/) and pira (/'pira/.) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 25517, derived from the frequency rank of both members and their visual similarity.
perna is recorded at frequency rank #3,098, classified as anoun, pronounced /ˈpɛrnɜ/. pira is at rank #22,419, tagged as anoun, pronounced /'pira/..
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 25517, this pair ranks #43,780 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of perna vs pira
Shared letters: apr. Private to "perna": en. Private to "pira": i.
"perna" · 5 letters · shape CVCCV · "pira" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "perna" and "pira" be used interchangeably?
Frequency check: "perna" vs "pira" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "perna" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pira" - compare definitions side by side with the headword page. Word entry
- This pair ranks #43,780 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "perna" and "pira" also get mixed up with nearby pairs, the highest-scored neighbour is "pira 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 #43,780 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.