proofvsproseWhat's the difference?

Which to use

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

#43,613
“proof” frequency rank
#12,225
“prose” frequency rank
55838
confusion score

Side-by-Side Comparison

Feature proof prose
Definition Preuve (définitive). Langage, manière d’écrire qui n’est pas assujettie à une certaine mesure, à un certain nombre de pieds et de syllabes, etc.

Where the eye mixes proof and prose

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
proof
5 ch
prose

Visual trap between proof and prose

A purely visual mix-up. proof (\ˈpɹuːf\) and prose (\pʁoz\) 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 55838, derived from the frequency rank of both members and their visual similarity.

proof is recorded at frequency rank #43,613, classified as anoun, pronounced \ˈpɹuːf\. prose is at rank #12,225, tagged as anoun, pronounced \pʁoz\.

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 55838, this pair ranks #124,903 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of proof vs prose

Shared letters: opr. Private to "proof": f. Private to "prose": es.

"proof" · 5 letters · shape CCVVC  ·  "prose" · 5 letters · shape CCVCV

Known mistypes of this pair

  • proofporof · pproof · profo · prooff · prroof · rpoof
  • proseporse · pprose · proes · prosse · prrose · prsoe · rpose

Frequently Asked Questions

Is swapping "proof" for "prose" ever safe?
No. They are said differently (\ˈpɹuːf\ versus \pʁoz\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "proof" or "prose"?
"prose" is the more common of the two: it sits at frequency rank #12,225 in our French list, against #43,613 for "proof". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "proof" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prose" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #124,903 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "proof" and "prose" also get mixed up with nearby pairs, the highest-scored neighbour is "proof vs proud". 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 #124,903 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