get up vs costume

get up is not a noun while costume is a noun.

Word	Noun	Adjective	Verb	Adverb
get up	No	No	Yes	No
costume	Yes	No	Yes	No

get up (noun)	costume (noun)
	the attire worn in a play or at a fancy dress ball
	the attire characteristic of a country or a time or a social class
	unusual or period attire not characteristic of or appropriate to the time and place
	the prevalent fashion of dress (including accessories and hair style as well as garments)

get up (verb)	costume (verb)
get up and out of bed	dress in a costume
cause to rise	furnish with costumes; as for a film or play
put on special clothes to appear particularly appealing and attractive
develop
study intensively, as before an exam
arrange by systematic planning and united effort
raise from a lower to a higher position
rise to one's feet