lounge vs divan

lounge and divan both are nouns.

Word	Noun	Adjective	Verb	Adverb
lounge	Yes	No	Yes	No
divan	Yes	No	No	No

As nouns, divan is a hyponym of lounge; that is, divan is a word with a more specific, narrower meaning than lounge:

lounge (noun)	divan (noun)
a room (as in a hotel or airport) with seating where people can wait	a long backless sofa (usually with pillows against a wall)
an upholstered seat for more than one person	a Muslim council chamber or law court
	a collection of Persian or Arabic poems (usually by one author)
	a Muslim council of state

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