pesvspioWhich spelling fits?

Which to use

“pes” and “pio” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#33,825
“pes” frequency rank
#49,277
“pio” frequency rank
83102
confusion score

Side-by-Side Comparison

Feature pes pio
Definition Pluriel de pe. Personne pieuse.

Where the eye mixes pes and pio

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. pes (CVC) and pio (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
pes
3 ch
pio

Look-alike desk: pes vs pio

A purely visual mix-up. pes (\pe\) and pio (\ˈpjɔ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 83102, derived from the frequency rank of both members and their visual similarity.

pes is recorded at frequency rank #33,825, classified as anoun, pronounced \pe\. pio is at rank #49,277, tagged as anoun, pronounced \ˈpjɔ\.

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 83102, this pair ranks #15,444 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of pes vs pio

Shared letters: p. Private to "pes": es. Private to "pio": io.

"pes" · 3 letters · shape CVC  ·  "pio" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "pes" for "pio" ever safe?
No. They are said differently (\pe\ versus \ˈpjɔ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "pes" vs "pio" - which ranks higher?
"pes" is the more common of the two: it sits at frequency rank #33,825 in our French list, against #49,277 for "pio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "pes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #15,444 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pes" and "pio" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs PMR". Nearby pair

Confusion rank #15,444 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list