antitype vs antitypic

antitype is a noun but antitypic is not a noun.

Word	Noun	Adjective	Verb	Adverb
antitype	Yes	No	No	No
antitypic	No	Yes	No	No

antitype (noun)	antitypic (noun)
a person or thing represented or foreshadowed by an earlier type or symbol; especially a figure or event in the New Testament having a counterpart in the Old Testament
an opposite or contrasting type

antitype (adjective)	antitypic (adjective)
	of or relating to an antitype that is a symbol
	of or relating to an antitype that represents an opposite