Which to use
“perna” is a noun and “pero” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #3,098
- “perna” frequency rank
- #17,884
- “pero” frequency rank
- 20982
- confusion score
Side-by-Side Comparison
| Feature | perna | pero |
|---|---|---|
| Definition | um dos membros posteriores humanos | mas, porém |
Where the eye mixes perna and pero
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. perna runs 5 letters (CVCCV) against pero's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: perna vs pero
These two trip readers on the page rather than in the ear: perna is /ˈpɛrnɜ/ while pero is /ˈpe.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 20982, 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/. pero is at rank #17,884, tagged as aconj, pronounced /ˈpe.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 20982, this pair ranks #49,396 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of perna vs pero
Shared letters: epr. Private to "perna": an. Private to "pero": o.
"perna" · 5 letters · shape CVCCV · "pero" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "perna" and "pero" mean the same thing in a sentence?
In ordinary Portuguese text, does "perna" or "pero" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "perna" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pero" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,396 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "perna" and "pero" also get mixed up with nearby pairs, the highest-scored neighbour is "pero vs pomo". 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 #49,396 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.