spoil vs ruin

spoil and ruin both are nouns.

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

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

Other hypernyms of spoil include destroy.

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

Other hyponyms of spoil include disappoint, let down, dash, short-circuit.

spoil (noun)	ruin (noun)
the act of stripping and taking by force	destruction achieved by causing something to be wrecked or ruined
the act of spoiling something by causing damage to it	a ruined building
(usually plural) valuables taken by violence (especially in war)	an event that results in destruction
	failure that results in a loss of position or reputation
	the process of becoming dilapidated
	an irrecoverable state of devastation and destruction

spoil (verb)	ruin (verb)
become unfit for consumption or use	fall into ruin
alter from the original	destroy completely; damage irreparably
make imperfect	reduce to ruins
destroy and strip of its possession	deprive of virginity
have a strong desire or urge to do something	reduce to bankruptcy
hinder or prevent (the efforts, plans, or desires) of	destroy or cause to fail
treat with excessive indulgence
make a mess of, destroy or ruin