theater vs theater

theater and theater both are nouns.

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

theater (noun)	theater (noun)
a building where theatrical performances or motion-picture shows can be presented	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	a region in which active military operations are in progress