shadow play vs shadow show

shadow play and shadow show both are nouns.

Word	Noun	Adjective	Verb	Adverb
shadow play	Yes	No	No	No
shadow show	Yes	No	No	No

As nouns, shadow play and shadow show are synonyms defined as:

shadow play and shadow show: a drama executed by throwing shadows on a wall

Other synonyms of shadow play include galanty show.

shadow play (noun)	shadow show (noun)
a drama executed by throwing shadows on a wall	a drama executed by throwing shadows on a wall