klopfvsKlosTell them apart

Quick tell: klopf is a verb, Klos is a noun, so they fill different roles in a sentence.

Which to use

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

#35,871
“klopf” frequency rank
#29,193
“Klos” frequency rank
65064
confusion score

Side-by-Side Comparison

Feature klopf Klos
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs klopfen Genitiv Singular des Substantivs Klo

Where the eye mixes klopf and Klos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. klopf runs 5 letters (CCVCC) against Klos's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
klopf
4 ch
Klos

Look-alike desk: klopf vs Klos

These two trip readers on the page rather than in the ear: klopf is [klɔp͡f] while Klos is [kloːs]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 65064, derived from the frequency rank of both members and their visual similarity.

klopf is recorded at frequency rank #35,871, classified as averb, pronounced [klɔp͡f]. Klos is at rank #29,193, tagged as anoun, pronounced [kloːs].

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 65064, this pair ranks #619,744 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of klopf vs Klos

Shared letters: klo. Private to "klopf": fp. Private to "Klos": s.

"klopf" · 5 letters · shape CCVCC  ·  "Klos" · 4 letters · shape CCVC

Known mistypes of this pair

  • klopfkklopf · kllopf · klofp · klopff · kloppf · klpof · kolpf · lkopf
  • Kloskklos · kllos · kloss · klso · kols · lkos

Frequently Asked Questions

Can "klopf" and "Klos" be used interchangeably?
No - they are not even the same part of speech. "klopf" is a verb and "Klos" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "klopf" or "Klos" show up more?
"Klos" is the more common of the two: it sits at frequency rank #29,193 in our German list, against #35,871 for "klopf". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "klopf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Klos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #619,744 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "klopf" and "Klos" also get mixed up with nearby pairs, the highest-scored neighbour is "klipp vs klopf". 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 #619,744 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