melodrama vs melodramatic

melodrama is a noun but melodramatic is not a noun.

Word	Noun	Adjective	Verb	Adverb
melodrama	Yes	No	No	No
melodramatic	No	Yes	No	No

melodrama (noun)	melodramatic (noun)
an extravagant comedy in which action is more salient than characterization

melodrama (adjective)	melodramatic (adjective)
	characteristic of acting or a stage performance; often affected
	having the excitement and emotional appeal of melodrama