ruination vs ruining

ruination and ruining both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruination	Yes	No	No	No
ruining	Yes	No	No	No

As nouns, ruination and ruining are synonyms defined as:

ruination and ruining: destruction achieved by causing something to be wrecked or ruined

Other synonyms of ruination include laying waste, ruin, wrecking.

ruination (noun)	ruining (noun)
destruction achieved by causing something to be wrecked or ruined	destruction achieved by causing something to be wrecked or ruined
an event that results in destruction
failure that results in a loss of position or reputation
an irrecoverable state of devastation and destruction