good vs future

good and future both are nouns.

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

As nouns, future is a hyponym of good; that is, future is a word with a more specific, narrower meaning than good:

good: a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes
future: bulk commodities bought or sold at an agreed price for delivery at a specified future date

good (noun)	future (noun)
a raw material that is sold in large quantities, usually to other businesses for manufacturing or production purposes	bulk commodities bought or sold at an agreed price for delivery at a specified future date
benefit	a verb tense that expresses actions or states in the future
moral excellence or admirableness	the time yet to come
that which is pleasing or valuable or useful

good (adjective)	future (adjective)
having desirable or positive qualities especially those suitable for a thing specified	yet to be or coming
morally admirable	a verb tense or other formation referring to events or states that have not yet happened
promoting or enhancing well-being	(of elected officers) elected but not yet serving
having the normally expected amount	effective in or looking toward the future
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

good (adverb)	future (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')