panorama vs diorama

panorama and diorama both are nouns.

Word	Noun	Adjective	Verb	Adverb
panorama	Yes	No	No	No
diorama	Yes	No	No	No

As nouns, panorama and diorama are synonyms defined as:

panorama and diorama: a picture (or series of pictures) representing a continuous scene

Other synonyms of panorama include cyclorama.

panorama (noun)	diorama (noun)
a picture (or series of pictures) representing a continuous scene	a picture (or series of pictures) representing a continuous scene
the visual percept of a region