multiplex vs movie house

multiplex and movie house both are nouns.

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

As nouns, movie house is a hypernym of multiplex; that is, movie house is a word with a broader meaning than multiplex:

multiplex: a movie theater that has several different auditoriums in the same building
movie house: a theater where films are shown

Other hypernyms of multiplex include cinema, movie theater, movie theatre, picture palace.

multiplex (noun)	movie house (noun)
a movie theater that has several different auditoriums in the same building	a theater where films are shown
communicates two or more signals over a common channel

multiplex (adjective)	movie house (adjective)
having many parts or aspects
many and varied; having many features or forms