vindicator vs vindicate

vindicator is a noun but vindicate is not a noun.

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

vindicator (noun)	vindicate (noun)
a person who argues to defend or justify some policy or institution

vindicator (verb)	vindicate (verb)
	show to be right by providing justification or proof
	clear of accusation, blame, suspicion, or doubt with supporting proof
	maintain, uphold, or defend