ruiner vs iconoclast

ruiner and iconoclast both are nouns.

Word	Noun	Adjective	Verb	Adverb
ruiner	Yes	No	No	No
iconoclast	Yes	No	No	No

As nouns, iconoclast is a hyponym of ruiner; that is, iconoclast is a word with a more specific, narrower meaning than ruiner:

Other hyponyms of ruiner include annihilator, image breaker, diversionist, saboteur, wrecker, vandal.

ruiner (noun)	iconoclast (noun)
a person who destroys or ruins or lays waste to	someone who attacks cherished ideas or traditional institutions
	a destroyer of images used in religious worship