KnockvsknownWhat's the difference?

Quick tell: Knock is a name, known is a verb, so they fill different roles in a sentence.

Which to use

“Knock” is a name and “known” is a verb - they look or sound alike but fill different roles in a sentence.

#42,624
“Knock” frequency rank
#40,645
“known” frequency rank
83269
confusion score

Side-by-Side Comparison

Feature Knock known
Definition Ortsname Partizip Perfekt (past participle) des Verbs know

Letter map: Knock vs known

Shared letters muted; letters that set Knock and known apart highlighted. Shared run: 3.

5 ch
Knock
5 ch
known

Part-of-speech tell for Knock / known

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Knock is aname and knownaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 83269, derived from the frequency rank of both members and their visual similarity.

Knock is recorded at frequency rank #42,624, classified as aname, pronounced [knɔk]. known is at rank #40,645, tagged as averb, 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 83269, this pair ranks #142,790 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Knock vs known

Shared letters: kno. Private to "Knock": c. Private to "known": w.

"Knock" · 5 letters · shape CCVCC  ·  "known" · 5 letters · shape CCVCC

Known mistypes of this pair

  • Knockkknock · kncok · knnock · knocck · knockk · knokc · konck · nkock
  • knownkknown · knnown · knonw · knownn · knowwn · knwon · konwn · nkown

Frequently Asked Questions

Is swapping "Knock" for "known" ever safe?
No - they are not even the same part of speech. "Knock" is a name and "known" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Knock" or "known" show up more?
"known" is the more common of the two: it sits at frequency rank #40,645 in our German list, against #42,624 for "Knock". 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 "Knock" and "known".

  • Full dictionary entry for "Knock" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "known" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #142,790 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Knock" and "known" also get mixed up with nearby pairs, the highest-scored neighbour is "known 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 #142,790 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