proofvsprostConfusable pair

Quick tell: proof is a noun, prost is an intj, so they fill different roles in a sentence.

Which to use

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

#32,721
“proof” frequency rank
#10,544
“prost” frequency rank
43265
confusion score

Side-by-Side Comparison

Feature proof prost
Definition Beweis, Beweismittel Ausspruch zum Anstoßen beim Trinken bzw. bei einem Toast

Letter map: proof vs prost

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

5 ch
proof
5 ch
prost

Role in the sentence - proof and prost

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: proof is anoun and prostanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43265, derived from the frequency rank of both members and their visual similarity.

proof is recorded at frequency rank #32,721, classified as anoun, pronounced […]. prost is at rank #10,544, tagged as anintj, pronounced [pʁoːst].

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 43265, this pair ranks #1,423,533 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of proof vs prost

Shared letters: opr. Private to "proof": f. Private to "prost": st.

"proof" · 5 letters · shape CCVVC  ·  "prost" · 5 letters · shape CCVCC

Known mistypes of this pair

  • proofporof · pproof · prof · profo · prooff · prroof · rpoof
  • prostporst · pprost · prosst · prostt · prots · prrost · prsot · rpost

Frequently Asked Questions

Do "proof" and "prost" mean the same thing in a sentence?
No - they are not even the same part of speech. "proof" is a noun and "prost" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "proof" vs "prost" - which ranks higher?
"prost" is the more common of the two: it sits at frequency rank #10,544 in our German list, against #32,721 for "proof". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "proof" and "prost".

  • Full dictionary entry for "proof" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,423,533 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "proof" and "prost" also get mixed up with nearby pairs, the highest-scored neighbour is "proof vs puzzles". 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 #1,423,533 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list