Which to use
“pio” and “polio” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,277
- “pio” frequency rank
- #35,647
- “polio” frequency rank
- 84924
- confusion score
Side-by-Side Comparison
| Feature | pio | polio |
|---|---|---|
| Definition | Personne pieuse. | Poliomyélite. |
Where the eye mixes pio and polio
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. pio runs 3 letters (CVV) against polio's 5 (CVCVV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses pio with polio
A purely visual mix-up. pio (\ˈpjɔ\) and polio (\pɔ.ljo\) 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 2 letter(s) in length. Our composite confusion score for this pair is 84924, derived from the frequency rank of both members and their visual similarity.
pio is recorded at frequency rank #49,277, classified as anoun, pronounced \ˈpjɔ\. polio is at rank #35,647, tagged as anoun, pronounced \pɔ.ljo\.
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 84924, this pair ranks #12,163 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of pio vs polio
Shared letters: iop. Private to "pio": -. Private to "polio": l.
"pio" · 3 letters · shape CVV · "polio" · 5 letters · shape CVCVV
Known mistypes of this pair
- polio ← oplio · ploio · poilo · pollio · poloi · ppolio
Frequently Asked Questions
Is swapping "pio" for "polio" ever safe?
In ordinary French text, does "pio" or "polio" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "pio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "polio" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,163 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pio" and "polio" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs PMR". 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 #12,163 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.