Which to use
“keen” is an adjective and “keir” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,804
- “keen” frequency rank
- #44,881
- “keir” frequency rank
- 50685
- confusion score
Side-by-Side Comparison
| Feature | keen | keir |
|---|---|---|
| Definition | Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested. | Alternative form of kier. |
Letter map: keen vs keir
Shared letters muted; letters that set keen and keir apart highlighted. Shared run: 2.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: keen is anadjective and keiranoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50685, derived from the frequency rank of both members and their visual similarity.
keen is recorded at frequency rank #5,804, classified as anadj, pronounced /kiːn/. keir is at rank #44,881, tagged as anoun.
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 50685, this pair ranks #172,058 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of keen vs keir
Shared letters: ek. Private to "keen": n. Private to "keir": ir.
"keen" · 4 letters · shape CVVC · "keir" · 4 letters · shape CVVC