knowvskorConfusable pair

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

Which to use

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

#84
“know” frequency rank
#38,008
“kor” frequency rank
38092
confusion score

Side-by-Side Comparison

Feature know kor
Definition To perceive the truth or factuality of; to be certain of; to be certain that. Alternative form of cor: a former Hebrew and Phoenician unit of volume.

Letter map: know vs kor

Shared letters muted; letters that set know and kor apart highlighted. Shared run: 2.

4 ch
know
3 ch
kor

Role in the sentence - know and kor

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: know is averb and koranoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38092, derived from the frequency rank of both members and their visual similarity.

know is recorded at frequency rank #84, classified as averb, pronounced /nəʊ/. kor is at rank #38,008, tagged as anoun.

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 38092, this pair ranks #288,888 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of know vs kor

Shared letters: ko. Private to "know": nw. Private to "kor": r.

"know" · 4 letters · shape CCVC  ·  "kor" · 3 letters · shape CVC

Known mistypes of this pair

  • knowkknow · knnow · knoww · knwo · konw · nkow

Frequently Asked Questions

Can "know" and "kor" be used interchangeably?
No - they are not even the same part of speech. "know" is a verb and "kor" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "know" or "kor" show up more?
"know" is the more common of the two: it sits at frequency rank #84 in our English list, against #38,008 for "kor". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "know" and "kor". Here's where to go from here.

  • Full dictionary entry for "know" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #288,888 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "know" and "kor" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs kor". 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 #288,888 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