ruin vs waste

ruin and waste both are nouns.

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

As verbs, waste is a hyponym of ruin; that is, waste is a word with a more specific, narrower meaning than ruin:

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

Other hypernyms of ruin include desolate, devastate, lay waste to, ravage, scourge.

ruin (noun)	waste (noun)
destruction achieved by causing something to be wrecked or ruined	useless or profitless activity; using or expending or consuming thoughtlessly or carelessly
a ruined building	(law) reduction in the value of an estate caused by act or neglect
an event that results in destruction	the trait of wasting resources
failure that results in a loss of position or reputation	an uninhabited wilderness that is worthless for cultivation
the process of becoming dilapidated	any materials unused and rejected as worthless or unwanted
an irrecoverable state of devastation and destruction

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

ruin (verb)	waste (verb)
fall into ruin	become physically weaker
destroy completely; damage irreparably	cause extensive destruction or ruin utterly
reduce to ruins	cause to grow thin or weak
deprive of virginity	lose vigor, health, or flesh, as through grief
reduce to bankruptcy	spend extravagantly
destroy or cause to fail	use inefficiently or inappropriately
	get rid of (someone who may be a threat) by killing
	run off as waste
	spend thoughtlessly; throw away
	dispose of