robe vs lounging robe

robe and lounging robe both are nouns.

Word	Noun	Adjective	Verb	Adverb
robe	Yes	No	Yes	No
lounging robe	Yes	No	No	No

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

Other hyponyms of robe include abaya, bathrobe, dressing gown, robe-de-chambre, kimono.

robe (noun)	lounging robe (noun)
any loose flowing garment	a robe worn before dressing or while lounging
outerwear consisting of a long flowing garment used for official or ceremonial occasions

robe (verb)	lounging robe (verb)
clothe formally; especially in ecclesiastical robes
cover as if with clothing