vaudeville theatre vs vaudeville theater

vaudeville theatre and vaudeville theater both are nouns.

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

As nouns, vaudeville theatre and vaudeville theater are synonyms defined as:

vaudeville theatre and vaudeville theater: a theater in which vaudeville is staged

Other synonyms of vaudeville theatre include music hall.

vaudeville theatre (noun)	vaudeville theater (noun)
a theater in which vaudeville is staged	a theater in which vaudeville is staged