Which to use
“key” is a noun and “kin” is a num - they look or sound alike but fill different roles in a sentence.
- #8,577
- “key” frequency rank
- #39,466
- “kin” frequency rank
- 48043
- confusion score
Side-by-Side Comparison
| Feature | key | kin |
|---|---|---|
| Definition | Schlüssel | fünf (5) |
Where the eye mixes key and kin
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between key and kin
These two trip readers on the page rather than in the ear: key is [kiː] while kin is [kin]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 48043, derived from the frequency rank of both members and their visual similarity.
key is recorded at frequency rank #8,577, classified as anoun, pronounced [kiː]. kin is at rank #39,466, tagged as anum, pronounced [kin].
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 48043, this pair ranks #1,262,880 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of key vs kin
Shared letters: k. Private to "key": ey. Private to "kin": in.
"key" · 3 letters · shape CVV · "kin" · 3 letters · shape CVC
Frequently Asked Questions
Do "key" and "kin" mean the same thing in a sentence?
Frequency check: "key" vs "kin" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "key" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "kin" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,262,880 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "key" and "kin" also get mixed up with nearby pairs, the highest-scored neighbour is "kin vs Koi". Nearby pair
Confusion rank #1,262,880 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.