great vs good

great and good both are nouns.

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

great (noun)	good (noun)
a person who has achieved distinction and honor in some field	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

great (adjective)	good (adjective)
excellent	having desirable or positive qualities especially those suitable for a thing specified
in an advanced stage of pregnancy	morally admirable
uppercase	promoting or enhancing well-being
remarkable or out of the ordinary in degree or magnitude or effect	having the normally expected amount
of major significance or importance	with or in a close or intimate relationship
relatively large in size or number or extent; larger than others of its kind	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

great (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')