Which to use
“keen” and “key” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,012
- “keen” frequency rank
- #18,240
- “key” frequency rank
- 62252
- confusion score
Side-by-Side Comparison
| Feature | keen | key |
|---|---|---|
| Definition | Enthousiaste. | Dominant, principal. |
Where the eye mixes keen and key
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses keen with key
A purely visual mix-up. keen (\ˈkiːn\) and key (\kiː\) 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 62252, derived from the frequency rank of both members and their visual similarity.
keen is recorded at frequency rank #44,012, classified as anadj, pronounced \ˈkiːn\. key is at rank #18,240, tagged as anadj, pronounced \kiː\.
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 62252, this pair ranks #88,080 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of keen vs key
Shared letters: ek. Private to "keen": n. Private to "key": y.
"keen" · 4 letters · shape CVVC · "key" · 3 letters · shape CVV
Known mistypes of this pair
- keen ← eken · keenn · kene · kkeen
Frequently Asked Questions
Do "keen" and "key" mean the same thing in a sentence?
Frequency check: "keen" vs "key" - which ranks higher?
After this comparison
Eye-level mix-up between "keen" and "key" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "keen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "key" - compare definitions side by side with the headword page. Word entry
- This pair ranks #88,080 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "keen" and "key" also get mixed up with nearby pairs, the highest-scored neighbour is "keen vs Kehl". 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 #88,080 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.