knewvsknowWhat's the difference?

Which to use

“knew” and “know” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#635
“knew” frequency rank
#84
“know” frequency rank
719
confusion score

Side-by-Side Comparison

Feature knew know
Definition simple past of know To perceive the truth or factuality of; to be certain of; to be certain that.

Where the eye mixes knew and know

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
knew
4 ch
know

Spelling & Dictionary Insight

A purely visual mix-up. knew (/ˈnjuː/) and know (/nəʊ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - e in “knew” becomes o in “know”. Our composite confusion score for this pair is 719, derived from the frequency rank of both members and their visual similarity.

knew is recorded at frequency rank #635, classified as averb, pronounced /ˈnjuː/. know is at rank #84, tagged as averb, pronounced /nəʊ/.

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 719, this pair ranks #528,924 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of knew vs know

Shared letters: knw. Private to "knew": e. Private to "know": o.

"knew" · 4 letters · shape CCVC  ·  "know" · 4 letters · shape CCVC

Known mistypes of this pair

  • knewkenw · kknew · kneww · knnew · knwe · nkew
  • knowkknow · knnow · knoww · knwo · konw · nkow

Frequently Asked Questions

Can "knew" and "know" be used interchangeably?
No. They are said differently (/ˈnjuː/ versus /nəʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "knew" or "know"?
"know" is the more common of the two: it sits at frequency rank #84 in our English list, against #635 for "knew". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list