best vs good

best and good both are nouns.

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

best (noun)	good (noun)
the supreme effort one can make	a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes
the person who is most outstanding or excellent; someone who tops all others	benefit
	moral excellence or admirableness
	that which is pleasing or valuable or useful

best (adjective)	good (adjective)
(superlative of `good') having the most positive qualities	having desirable or positive qualities especially those suitable for a thing specified
(comparative and superlative of `well') wiser or more advantageous and hence advisable	morally admirable
	promoting or enhancing well-being
	having the normally expected amount
	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

best (verb)	good (verb)
get the better of

best (adverb)	good (adverb)
it would be sensible	(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')
in a most excellent way or manner	completely and absolutely (`good' is sometimes used informally for `thoroughly')
from a position of superiority or authority