prologvsproofTell them apart

Which to use

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

#25,269
“prolog” frequency rank
#32,721
“proof” frequency rank
57990
confusion score

Side-by-Side Comparison

Feature prolog proof
Definition PROLOG, Prolog Beweis, Beweismittel

Letter map: prolog vs proof

Shared letters muted; letters that set prolog and proof apart highlighted. Shared run: 4.

6 ch
prolog
5 ch
proof

Spelling & dictionary notes on prolog vs proof

prolog and proof are indexed as a confusable German 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 57990, derived from the frequency rank of both members and their visual similarity.

prolog is recorded at frequency rank #25,269, classified as anoun, pronounced [pʁɔlɔɡ]. proof is at rank #32,721, tagged as anoun, pronounced […].

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 57990, this pair ranks #879,875 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prolog vs proof

Shared letters: opr. Private to "prolog": gl. Private to "proof": f.

"prolog" · 6 letters · shape CCVCVC  ·  "proof" · 5 letters · shape CCVVC

Known mistypes of this pair

  • prologporlog · pprolog · prloog · prolgo · prollog · prologg · proolg · prrolog
  • proofporof · pproof · prof · profo · prooff · prroof · rpoof

Frequently Asked Questions

Can "prolog" and "proof" be used interchangeably?
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.
Which is more common, "prolog" or "proof"?
"prolog" is the more common of the two: it sits at frequency rank #25,269 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.

Useful next steps

Pair "prolog" vs "proof" is on the table, pick a follow-up below.

  • Full dictionary entry for "prolog" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "proof" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #879,875 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "prolog" and "proof" 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 #879,875 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