proof vs pros, What's the Difference?

Which to use

“proof” is a noun and “pros” is a verb - they look or sound alike but fill different roles in a sentence.

#32,721
“proof” frequency rank: #45,523
“pros” frequency rank: 78244
confusion score

Side-by-Side Comparison

Feature	proof	pros
Definition	Beweis, Beweismittel	2. Person Singular Imperativ Präsens Aktiv des Verbs prosit

Letter map: proof vs pros

Shared letters muted; letters that set proof and pros apart highlighted. Shared run: 3.

5 ch

proof

4 ch

pros

Grammar separator: proof vs pros

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: proof is anoun and prosaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78244, derived from the frequency rank of both members and their visual similarity.

proof is recorded at frequency rank #32,721, classified as anoun, pronounced […]. pros is at rank #45,523, tagged as averb, pronounced [prɔs].

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 78244, this pair ranks #242,625 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of proof vs pros

Shared letters: opr. Private to "proof": f. Private to "pros": s.

"proof" · 5 letters · shape CCVVC · "pros" · 4 letters · shape CCVC

Known mistypes of this pair

proof ← porof · pproof · prof · profo · prooff · prroof · rpoof
pros ← pors · ppros · pross · prros · prso · rpos

Frequently Asked Questions

Can "proof" and "pros" be used interchangeably?

No - they are not even the same part of speech. "proof" is a noun and "pros" a verb, so a sentence built for one is usually ungrammatical with the other.

In ordinary German text, does "proof" or "pros" show up more?

"proof" is the more common of the two: it sits at frequency rank #32,721 in our German list, against #45,523 for "pros". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "proof" and "pros". Here's where to go from here.

Full dictionary entry for "proof" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "pros" - compare definitions side by side with the headword page. Word entry
This pair ranks #242,625 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"proof" and "pros" also get mixed up with nearby pairs, the highest-scored neighbour is "PMS vs pros". 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 #242,625 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.