pernavspornWhich spelling fits?

Which to use

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

#3,098
“perna” frequency rank
#27,621
“porn” frequency rank
30719
confusion score

Side-by-Side Comparison

Feature perna porn
Definition um dos membros posteriores humanos pornografia

Where the eye mixes perna and porn

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. perna runs 5 letters (CVCCV) against porn's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
perna
4 ch
porn

Look-alike desk: perna vs porn

A purely visual mix-up. perna (/ˈpɛrnɜ/) and porn (/pɔːn/) 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 30719, 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/. porn is at rank #27,621, tagged as anoun, pronounced /pɔːn/.

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 30719, this pair ranks #37,558 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of perna vs porn

Shared letters: npr. Private to "perna": ae. Private to "porn": o.

"perna" · 5 letters · shape CVCCV  ·  "porn" · 4 letters · shape CVCC

Known mistypes of this pair

  • perna ← eprna · penra · peran · pernna · perrna · pperna · prena
  • porn ← oprn · ponr · pornn · porrn · pporn · pron

Frequently Asked Questions

Can "perna" and "porn" be used interchangeably?
No. They are said differently (/ˈpɛrnɜ/ versus /pɔːn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "perna" vs "porn" - which ranks higher?
"perna" is the more common of the two: it sits at frequency rank #3,098 in our Portuguese list, against #27,621 for "porn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "perna" and "porn" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "perna" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "porn" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #37,558 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "perna" and "porn" also get mixed up with nearby pairs, the highest-scored neighbour is "pomo vs porn". 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 #37,558 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