unreliable vs unsound

unreliable and unsound both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unreliable	No	Yes	No	No
unsound	No	Yes	No	No

unreliable (adjective)	unsound (adjective)
not worthy of reliance or trust	not sound financially
dangerously unstable and unpredictable	not in good condition; damaged or decayed
liable to be erroneous or misleading	suffering from severe mental illness
lacking a sense of responsibility	containing or based on a fallacy
	physically unsound or diseased
	of e.g. advice