klopfenvsknüpfenTell them apart

Which to use

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

#12,745
“klopfen” frequency rank
#14,105
“knüpfen” frequency rank
26850
confusion score

Side-by-Side Comparison

Feature klopfen knüpfen
Definition durch periodische Bewegung ein rhythmisches Geräusch erzeugen kleine Fäden kunstvoll verschlingen

Where the eye mixes klopfen and knüpfen

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. klopfen and knüpfen follow the identical consonant-vowel pattern (CCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
klopfen
7 ch
knüpfen

Visual trap between klopfen and knüpfen

A purely visual mix-up. klopfen ([ˈklɔp͡fn̩]) and knüpfen ([ˈknʏp͡fn̩]) 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 26850, derived from the frequency rank of both members and their visual similarity.

klopfen is recorded at frequency rank #12,745, classified as averb, pronounced [ˈklɔp͡fn̩]. knüpfen is at rank #14,105, tagged as averb, pronounced [ˈknʏp͡fn̩].

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 26850, this pair ranks #1,811,401 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of klopfen vs knüpfen

Shared letters: efknp. Private to "klopfen": lo. Private to "knüpfen": ü.

"klopfen" · 7 letters · shape CCVCCVC  ·  "knüpfen" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • klopfen ← kklopfen · kllopfen · klofpen · klopefn · klopfenn · klopffen · klopfne · kloppfen

Frequently Asked Questions

Can "klopfen" and "knüpfen" be used interchangeably?
No. They are said differently ([ˈklɔp͡fn̩] versus [ˈknʏp͡fn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "klopfen" or "knüpfen"?
"klopfen" is the more common of the two: it sits at frequency rank #12,745 in our German list, against #14,105 for "knüpfen". 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 "klopfen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "knüpfen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,811,401 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "klopfen" and "knüpfen" also get mixed up with nearby pairs, the highest-scored neighbour is "knüpfen vs knurren". 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 #1,811,401 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