uphold vs vindicate

uphold and vindicate both are verbs.

Word	Noun	Adjective	Verb	Adverb
uphold	No	No	Yes	No
vindicate	No	No	Yes	No

As verbs, vindicate is a hyponym of uphold; that is, vindicate is a word with a more specific, narrower meaning than uphold:

Other hyponyms of uphold include justify.

uphold (verb)	vindicate (verb)
stand up for; stick up for; of causes, principles, or ideals	show to be right by providing justification or proof
support against an opponent	clear of accusation, blame, suspicion, or doubt with supporting proof
keep or maintain in unaltered condition; cause to remain or last	maintain, uphold, or defend