keyvsknoWhat's the difference?

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

Which to use

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

#788
“key” frequency rank
#48,851
“kno” frequency rank
49639
confusion score

Side-by-Side Comparison

Feature key kno
Definition An object designed to open and close a lock. Informal spelling of know.

Letter map: key vs kno

Shared letters muted; letters that set key and kno apart highlighted. Shared run: 1.

3 ch
key
3 ch
kno

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: key is anoun and knoaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 49639, derived from the frequency rank of both members and their visual similarity.

key is recorded at frequency rank #788, classified as anoun, pronounced /kiː/. 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 49639, this pair ranks #181,758 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of key vs kno

Shared letters: k. Private to "key": ey. Private to "kno": no.

"key" · 3 letters · shape CVV  ·  "kno" · 3 letters · shape CCV

Frequently Asked Questions

Can "key" and "kno" be used interchangeably?
No - they are not even the same part of speech. "key" is a noun and "kno" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "key" or "kno"?
"key" is the more common of the two: it sits at frequency rank #788 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.

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

Source: FrequencyWords open word-frequency list