lollygag vs lounge

lollygag is not a noun while lounge is a noun.

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

As verbs, lollygag and lounge are synonyms defined as:

Other synonyms of lollygag include footle, hang around, lallygag, linger, loaf, loiter, lurk, mess about, mill about, mill around, tarry.

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

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