realistic vs realism

realistic is not a noun while realism is a noun.

Word	Noun	Adjective	Verb	Adverb
realistic	No	Yes	No	No
realism	Yes	No	No	No

realistic (noun)	realism (noun)
	the attribute of accepting the facts of life and favoring practicality and literal truth
	(philosophy) the philosophical doctrine that physical objects continue to exist when not perceived
	(philosophy) the philosophical doctrine that abstract concepts exist independent of their names
	an artistic movement in 19th century France; artists and writers strove for detailed realistic and factual description
	the state of being actual or real

realistic (adjective)	realism (adjective)
aware or expressing awareness of things as they really are
of or relating to the philosophical doctrine of realism
representing what is real; not abstract or ideal