pernavsproaWhat's the difference?

Which to use

“perna” and “proa” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,098
“perna” frequency rank
#20,411
“proa” frequency rank
23509
confusion score

Side-by-Side Comparison

Feature perna proa
Definition um dos membros posteriores humanos parte dianteira do navio

Where the eye mixes perna and proa

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
perna
4 ch
proa

Why the eye confuses perna with proa

A purely visual mix-up. perna (/ˈpɛrnɜ/) and proa (/ˈpɾo.ɐ/) 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 23509, 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/. proa is at rank #20,411, tagged as anoun, pronounced /ˈpɾo.ɐ/.

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 23509, this pair ranks #46,310 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of perna vs proa

Shared letters: apr. Private to "perna": en. Private to "proa": o.

"perna" · 5 letters · shape CVCCV  ·  "proa" · 4 letters · shape CCVV

Known mistypes of this pair

  • pernaeprna · penra · peran · pernna · perrna · pperna · prena
  • proapproa · prroa · rpoa

Frequently Asked Questions

Is swapping "perna" for "proa" ever safe?
No. They are said differently (/ˈpɛrnɜ/ versus /ˈpɾo.ɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "perna" or "proa" show up more?
"perna" is the more common of the two: it sits at frequency rank #3,098 in our Portuguese list, against #20,411 for "proa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "proa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,310 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "perna" and "proa" also get mixed up with nearby pairs, the highest-scored neighbour is "piza vs proa". 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 #46,310 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