keen vs good

keen and good both are nouns.

Word	Noun	Adjective	Verb	Adverb
keen	Yes	Yes	Yes	No
good	Yes	Yes	No	Yes

keen (noun)	good (noun)
a funeral lament sung with loud wailing	a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes
	benefit
	moral excellence or admirableness
	that which is pleasing or valuable or useful

keen (adjective)	good (adjective)
excellent	having desirable or positive qualities especially those suitable for a thing specified
intense or sharp	morally admirable
having or demonstrating ability to recognize or draw fine distinctions	promoting or enhancing well-being
having a sharp cutting edge or point	having the normally expected amount
painful as if caused by a sharp instrument	with or in a close or intimate relationship
	thorough
	generally admired
	resulting favorably
	not left to spoil
	not forged
	tending to promote physical well-being; beneficial to health
	in excellent physical condition
	appealing to the mind
	agreeable or pleasing
	exerting force or influence
	most suitable or right for a particular purpose
	capable of pleasing
	deserving of esteem and respect
	of moral excellence
	having or showing knowledge and skill and aptitude
	financially safe

keen (verb)	good (verb)
express grief verbally

keen (adverb)	good (adverb)
	(often used as a combining form) in a good or proper or satisfactory manner or to a high standard (`good' is a nonstandard dialectal variant for `well')
	completely and absolutely (`good' is sometimes used informally for `thoroughly')