kneevsknoTell them apart

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

Which to use

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

#4,098
“knee” frequency rank
#48,851
“kno” frequency rank
52949
confusion score

Side-by-Side Comparison

Feature knee kno
Definition In humans, the joint or the region of the joint in the middle part of the leg between the thigh and the shank. Informal spelling of know.

Letter map: knee vs kno

Shared letters muted; letters that set knee and kno apart highlighted. Shared run: 2. knee runs 4 letters (CCVV) against kno's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
knee
3 ch
kno

Grammar separator: knee vs kno

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: knee is anoun and knoaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52949, derived from the frequency rank of both members and their visual similarity.

knee is recorded at frequency rank #4,098, classified as anoun, pronounced /niː/. kno is at rank #48,851, tagged as averb.

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 52949, this pair ranks #152,890 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of knee vs kno

Shared letters: kn. Private to "knee": e. Private to "kno": o.

"knee" · 4 letters · shape CCVV  ·  "kno" · 3 letters · shape CCV

Known mistypes of this pair

  • knee ← kene · kknee · kne · knnee · nkee

Frequently Asked Questions

Is swapping "knee" for "kno" ever safe?
No - they are not even the same part of speech. "knee" is a noun and "kno" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "knee" vs "kno" - which ranks higher?
"knee" is the more common of the two: it sits at frequency rank #4,098 in our English list, against #48,851 for "kno". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "knee" and "kno". Here's where to go from here.

  • Full dictionary entry for "knee" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kno" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #152,890 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "knee" and "kno" also get mixed up with nearby pairs, the highest-scored neighbour is "kno vs Kop". 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 #152,890 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list