luxurious vs voluptuary

luxurious is not a noun while voluptuary is a noun.

Word	Noun	Adjective	Verb	Adverb
luxurious	No	Yes	No	No
voluptuary	Yes	Yes	No	No

As adjectives, luxurious and voluptuary are synonyms defined as:

luxurious and voluptuary: displaying luxury and furnishing gratification to the senses

Other synonyms of luxurious include epicurean, luxuriant, sybaritic, voluptuous.

luxurious (noun)	voluptuary (noun)
	a person addicted to luxury and pleasures of the senses

luxurious (adjective)	voluptuary (adjective)
displaying luxury and furnishing gratification to the senses	displaying luxury and furnishing gratification to the senses
ostentatiously rich and superior in quality