unwitting vs incognizant

unwitting and incognizant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unwitting	No	Yes	No	No
incognizant	No	Yes	No	No

unwitting (adjective)	incognizant (adjective)
not aware or knowing	(often followed by `of') not aware
unaware because of a lack of relevant information or knowledge
not done with purpose or intent