dramatics vs theater

dramatics and theater both are nouns.

Word	Noun	Adjective	Verb	Adverb
dramatics	Yes	No	No	No
theater	Yes	No	No	No

As nouns, dramatics and theater are synonyms defined as:

Other synonyms of dramatics include dramatic art, dramaturgy, theatre.

dramatics (noun)	theater (noun)
participation in theatrical productions as an extracurricular activity	a building where theatrical performances or motion-picture shows can be presented
the art of writing and producing plays	the art of writing and producing plays
	a region in which active military operations are in progress