good vs old

good and old both are nouns.

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

good (noun)	old (noun)
a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes	past times
benefit
moral excellence or admirableness
that which is pleasing or valuable or useful

good (adjective)	old (adjective)
having desirable or positive qualities especially those suitable for a thing specified	of long duration; not new
morally admirable	(used especially of persons) having lived for a relatively long time or attained a specific age
promoting or enhancing well-being	skilled through long experience
having the normally expected amount	(used for emphasis) very familiar
with or in a close or intimate relationship	excellent
thorough	just preceding something else in time or order
generally admired	belonging to some prior time
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

good (adverb)	old (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')