ruined vs finished

ruined and finished both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ruined	No	Yes	No	No
finished	No	Yes	No	No

As adjectives, ruined and finished are synonyms defined as:

ruined (adjective)	finished (adjective)
destroyed physically or morally	ended or brought to an end
doomed to extinction	(of materials or goods) brought to the desired final state
brought to ruin	brought to ruin
	having a surface coating or finish applied
	(of skills or the products of skills) brought to or having the greatest excellence; perfected