grandstand vs box seat

grandstand and box seat both are nouns.

Word	Noun	Adjective	Verb	Adverb
grandstand	Yes	No	Yes	No
box seat	Yes	No	No	No

grandstand (noun)	box seat (noun)
a stand at a racecourse or stadium consisting of tiers with rows of individual seats that are under a protective roof	a special seat in a theater or grandstand box
the audience at a stadium or racetrack	the driver's seat on a coach

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