Which to use
“kay” and “keys” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,935
- “kay” frequency rank
- #3,699
- “keys” frequency rank
- 11634
- confusion score
Side-by-Side Comparison
| Feature | kay | keys |
|---|---|---|
| Definition | The name of the Latin script letter K/k. | plural of key |
Where the eye mixes kay and keys
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between kay and keys
A purely visual mix-up. kay (/keɪ/) and keys (/kiːz/) 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 1 letter(s) in length. Our composite confusion score for this pair is 11634, derived from the frequency rank of both members and their visual similarity.
kay is recorded at frequency rank #7,935, classified as anoun, pronounced /keɪ/. keys is at rank #3,699, tagged as anoun, pronounced /kiːz/.
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 11634, this pair ranks #485,968 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of kay vs keys
Shared letters: ky. Private to "kay": a. Private to "keys": es.
"kay" · 3 letters · shape CVV · "keys" · 4 letters · shape CVVC
Known mistypes of this pair
- keys ← ekys · kesy · keyss · keyys · kkeys · kyes
Frequently Asked Questions
Is swapping "kay" for "keys" ever safe?
Which is more common, "kay" or "keys"?
Useful next steps
Eye-level mix-up between "kay" and "keys" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "kay" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "keys" - compare definitions side by side with the headword page. Word entry
- This pair ranks #485,968 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "kay" and "keys" also get mixed up with nearby pairs, the highest-scored neighbour is "kay 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 #485,968 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.