prologvsProtonWhat's the difference?

Which to use

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

#25,269
“prolog” frequency rank
#46,926
“Proton” frequency rank
72195
confusion score

Side-by-Side Comparison

Feature prolog Proton
Definition PROLOG, Prolog einfach positiv geladenes Nukleon (ein Baustein des Atomkerns), bestehend aus einem Down- und zwei Up-Quarks

Where the eye mixes prolog and Proton

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
prolog
6 ch
Proton

Visual trap between prolog and Proton

A purely visual mix-up. prolog ([pʁɔlɔɡ]) and Proton ([ˈpʁoːtɔn]) 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 72195, 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]. Proton is at rank #46,926, tagged as anoun, pronounced [ˈpʁoːtɔn].

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 72195, this pair ranks #395,084 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of prolog vs Proton

Shared letters: opr. Private to "prolog": gl. Private to "Proton": nt.

"prolog" · 6 letters · shape CCVCVC  ·  "Proton" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • prologporlog · pprolog · prloog · prolgo · prollog · prologg · proolg · prrolog
  • Protonporton · pproton · prootn · protno · protonn · protton · prroton · prtoon

Frequently Asked Questions

Can "prolog" and "Proton" be used interchangeably?
No. They are said differently ([pʁɔlɔɡ] versus [ˈpʁoːtɔn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "prolog" vs "Proton" - which ranks higher?
"prolog" is the more common of the two: it sits at frequency rank #25,269 in our German list, against #46,926 for "Proton". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "prolog" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Proton" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #395,084 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "prolog" and "Proton" also get mixed up with nearby pairs, the highest-scored neighbour is "propos vs Proton". 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 #395,084 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