waiting area vs lounge

waiting area and lounge both are nouns.

Word	Noun	Adjective	Verb	Adverb
waiting area	Yes	No	No	No
lounge	Yes	No	Yes	No

As nouns, waiting area and lounge are synonyms defined as:

waiting area and lounge: a room (as in a hotel or airport) with seating where people can wait

Other synonyms of waiting area include waiting room.

waiting area (noun)	lounge (noun)
a room (as in a hotel or airport) with seating where people can wait	a room (as in a hotel or airport) with seating where people can wait
	an upholstered seat for more than one person

waiting area (verb)	lounge (verb)
	sit or recline comfortably
	be about a place without any apparent purpose