pleomorphic vs pleomorphism

pleomorphic is not a noun while pleomorphism is a noun.

Word	Noun	Adjective	Verb	Adverb
pleomorphic	No	Yes	No	No
pleomorphism	Yes	No	No	No

pleomorphic (noun)	pleomorphism (noun)
	(biology) the appearance of two or more distinctly different forms in the life cycle of some organisms
	(chemistry) the existence of different kinds of crystal of the same chemical compound

pleomorphic (adjective)	pleomorphism (adjective)
relating to or characterized by pleomorphism