KnievskniffWhich spelling fits?

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

Which to use

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

#3,596
“Knie” frequency rank
#48,272
“kniff” frequency rank
51868
confusion score

Side-by-Side Comparison

Feature Knie kniff
Definition vorderer Teil des Kniegelenks beim Menschen und anderen Säugetieren 1. Person Singular Indikativ Präteritum Aktiv des Verbs kneifen

Where the eye mixes Knie and kniff

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

4 ch
Knie
5 ch
kniff

Why the eye confuses Knie with kniff

These two trip readers on the page rather than in the ear: Knie is [kniː] while kniff is [knɪf]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51868, derived from the frequency rank of both members and their visual similarity.

Knie is recorded at frequency rank #3,596, classified as anoun, pronounced [kniː]. kniff is at rank #48,272, tagged as averb, pronounced [knɪf].

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 51868, this pair ranks #1,118,909 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Knie vs kniff

Shared letters: ikn. Private to "Knie": e. Private to "kniff": f.

"Knie" · 4 letters · shape CCVV  ·  "kniff" · 5 letters · shape CCVCC

Known mistypes of this pair

  • Knie ← kine · kknie · knei · knnie · nkie
  • kniff ← kinff · kkniff · knfif · knif · knniff · nkiff

Frequently Asked Questions

Do "Knie" and "kniff" mean the same thing in a sentence?
No - they are not even the same part of speech. "Knie" is a noun and "kniff" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Knie" or "kniff" show up more?
"Knie" is the more common of the two: it sits at frequency rank #3,596 in our German list, against #48,272 for "kniff". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "Knie" and "kniff" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Knie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kniff" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,118,909 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Knie" and "kniff" also get mixed up with nearby pairs, the highest-scored neighbour is "Knies vs kniff". 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 #1,118,909 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