kick in vs ruin

kick in is not a noun while ruin is a noun.

Word	Noun	Adjective	Verb	Adverb
kick in	No	No	Yes	No
ruin	Yes	No	Yes	No

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

Other hypernyms of kick in include destroy.

kick in (noun)	ruin (noun)
	destruction achieved by causing something to be wrecked or ruined
	a ruined building
	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

kick in (verb)	ruin (verb)
open violently	fall into ruin
contribute to some cause	destroy completely; damage irreparably
enter a particular state	reduce to ruins
	deprive of virginity
	reduce to bankruptcy
	destroy or cause to fail