Which to use
“pio” is an adjective and “por” is a preposition - they look or sound alike but fill different roles in a sentence.
- #12,747
- “pio” frequency rank
- #18
- “por” frequency rank
- 12765
- confusion score
Side-by-Side Comparison
| Feature | pio | por |
|---|---|---|
| Definition | inclinado à piedade; devoto, religioso | exprime, entre outras relações, causa, modo, tempo, meio, lugar, qualidade, estado, preço, etc |
Where the eye mixes pio and por
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses pio with por
These two trip readers on the page rather than in the ear: pio is /ˈpi.u/ while por is /poɾ/, /pʊɾ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 12765, derived from the frequency rank of both members and their visual similarity.
pio is recorded at frequency rank #12,747, classified as anadj, pronounced /ˈpi.u/. por is at rank #18, tagged as aprep, pronounced /poɾ/, /pʊɾ/.
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 12765, this pair ranks #59,723 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of pio vs por
Shared letters: op. Private to "pio": i. Private to "por": r.
"pio" · 3 letters · shape CVV · "por" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "pio" for "por" ever safe?
Frequency check: "pio" vs "por" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "por" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,723 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "pio" and "por" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs pix". Nearby pair
Confusion rank #59,723 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.