movie house vs movie theater

movie house and movie theater both are nouns.

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

As nouns, movie house and movie theater are synonyms defined as:

Other synonyms of movie house include cinema, movie theatre, picture palace.

movie house (noun)	movie theater (noun)
a theater where films are shown	a theater where films are shown