cognizant vs cognisant

cognizant and cognisant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cognizant	No	Yes	No	No
cognisant	No	Yes	No	No

As adjectives, cognizant and cognisant are synonyms defined as:

cognizant and cognisant: (sometimes followed by `of') having or showing knowledge or understanding or realization or perception

Other synonyms of cognizant include aware.

cognizant (adjective)	cognisant (adjective)
(sometimes followed by `of') having or showing knowledge or understanding or realization or perception	(sometimes followed by `of') having or showing knowledge or understanding or realization or perception