waste vs use

waste and use both are nouns.

Word	Noun	Adjective	Verb	Adverb
waste	Yes	Yes	Yes	No
use	Yes	No	Yes	No

As verbs, use is a hypernym of waste; that is, use is a word with a broader meaning than waste:

waste: use inefficiently or inappropriately
use: put into service; make work or employ for a particular purpose or for its inherent or natural purpose

Other hypernyms of waste include apply, employ, utilise, utilize.

As verbs, use is a hypernym of waste; that is, use is a word with a broader meaning than waste:

Other hypernyms of waste include consume, deplete, eat, eat up, exhaust, expend, run through, use up, wipe out.

waste (noun)	use (noun)
useless or profitless activity; using or expending or consuming thoughtlessly or carelessly	the act of using
(law) reduction in the value of an estate caused by act or neglect	(psychology) an automatic pattern of behavior in reaction to a specific situation; may be inherited or acquired through frequent repetition
the trait of wasting resources	exerting shrewd or devious influence especially for one's own advantage
an uninhabited wilderness that is worthless for cultivation	what something is used for
any materials unused and rejected as worthless or unwanted	a particular service
	(law) the exercise of the legal right to enjoy the benefits of owning property
	(economics) the utilization of economic goods to satisfy needs or in manufacturing

waste (adjective)	use (adjective)
located in a dismal or remote area; desolate

waste (verb)	use (verb)
become physically weaker	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
cause extensive destruction or ruin utterly	take or consume (regularly or habitually)
cause to grow thin or weak	use up (resources or materials)
lose vigor, health, or flesh, as through grief	habitually do something or be in a certain state or place (use only in the past tense)
spend extravagantly	avail oneself to
use inefficiently or inappropriately	seek or achieve an end by using to one's advantage
get rid of (someone who may be a threat) by killing
run off as waste
spend thoughtlessly; throw away
dispose of