ping pong vs rally

ping pong and rally both are nouns.

Word	Noun	Adjective	Verb	Adverb
ping pong	Yes	No	No	No
rally	Yes	No	Yes	No

ping pong (noun)	rally (noun)
a game (trademark Ping-Pong) resembling tennis but played on a table with paddles and a light hollow ball	(sports) an unbroken sequence of several successive strokes
	the feat of mustering strength for a renewed effort
	an automobile race run over public roads
	a large gathering of people intended to arouse enthusiasm
	a marked recovery of strength or spirits during an illness

ping pong (verb)	rally (verb)
	return to a former condition
	harass with persistent criticism or carping
	call to arms; of military personnel
	gather
	gather or bring together