grandstander vs grandstand

grandstander and grandstand both are nouns.

Word	Noun	Adjective	Verb	Adverb
grandstander	Yes	No	No	No
grandstand	Yes	No	Yes	No

grandstander (noun)	grandstand (noun)
someone who performs with an eye to the applause from spectators in the grandstand	a stand at a racecourse or stadium consisting of tiers with rows of individual seats that are under a protective roof
	the audience at a stadium or racetrack

grandstander (verb)	grandstand (verb)
	perform ostentatiously in order to impress the audience and with an eye to the applause