knowingness vs cognizance

knowingness and cognizance both are nouns.

Word	Noun	Adjective	Verb	Adverb
knowingness	Yes	No	No	No
cognizance	Yes	No	No	No

As nouns, knowingness and cognizance are synonyms defined as:

Other synonyms of knowingness include awareness, cognisance, consciousness.

knowingness (noun)	cognizance (noun)
having knowledge of	having knowledge of
shrewdness demonstrated by knowledge	range of what one can know or understand
	range or scope of what is perceived