Keenness is a related term of capability.
As nouns the difference between keenness and capability
is that keenness is sharpness or cutting ability while capability is the power or ability to generate an outcome.
keenness
English
Noun
(-)
sharpness or cutting ability
astuteness or sagacity
eagerness or enthusiasm
capability
English
Noun
the power or ability to generate an outcome
Synonyms
* See also
Related terms
* capable adjective