piovspromWhich spelling fits?

Which to use

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

#49,277
“pio” frequency rank
#39,950
“prom” frequency rank
89227
confusion score

Side-by-Side Comparison

Feature pio prom
Definition Personne pieuse. Promenade.

Letter map: pio vs prom

Shared letters muted; letters that set pio and prom apart highlighted. Shared run: 2. pio runs 3 letters (CVV) against prom's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
pio
4 ch
prom

Corpus notes: pio and prom

pio and prom are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 89227, 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\. prom is at rank #39,950, tagged as anoun.

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 89227, this pair ranks #6,026 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of pio vs prom

Shared letters: op. Private to "pio": i. Private to "prom": mr.

"pio" · 3 letters · shape CVV  ·  "prom" · 4 letters · shape CCVC

Known mistypes of this pair

  • prom ← porm · pprom · prmo · promm · prrom · rpom

Frequently Asked Questions

Is swapping "pio" for "prom" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "pio" vs "prom" - which ranks higher?
"prom" is the more common of the two: it sits at frequency rank #39,950 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.

After this comparison

You've compared "pio" and "prom". Here's where to go from here.

  • Full dictionary entry for "pio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,026 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pio" and "prom" 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 #6,026 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