theatrical vs showy

theatrical is a noun but showy is not a noun.

Word	Noun	Adjective	Verb	Adverb
theatrical	Yes	Yes	No	No
showy	No	Yes	No	No

theatrical (noun)	showy (noun)
a performance of a play

theatrical (adjective)	showy (adjective)
suited to or characteristic of the stage or theater	superficially attractive and stylish; suggesting wealth or expense
of or relating to the theater	(used especially of clothes) marked by conspicuous display
	marked by ostentation but often tasteless
	displaying brilliance and virtuosity