cissy vs sissy

cissy is not a noun while sissy is a noun.

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

As adjectives, cissy and sissy are synonyms defined as:

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

cissy (noun)	sissy (noun)
	a timid man or boy considered childish or unassertive

cissy (adjective)	sissy (adjective)
having unsuitable feminine qualities	having unsuitable feminine qualities