cinema vs multiplex

cinema and multiplex both are nouns.

Word	Noun	Adjective	Verb	Adverb
cinema	Yes	No	No	No
multiplex	Yes	Yes	No	No

As nouns, multiplex is a hyponym of cinema; that is, multiplex is a word with a more specific, narrower meaning than cinema:

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

Other hyponyms of cinema include bioscope, fleapit.

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

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