cissy vs epicene

cissy is not a noun while epicene is a noun.

Word	Noun	Adjective	Verb	Adverb
cissy	No	Yes	No	No
epicene	Yes	Yes	No	No

As adjectives, cissy and epicene are synonyms defined as:

Other synonyms of cissy include effeminate, emasculate, sissified, sissy, sissyish.

cissy (noun)	epicene (noun)
	one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made

cissy (adjective)	epicene (adjective)
having unsuitable feminine qualities	having an ambiguous sexual identity
	having unsuitable feminine qualities