voluptuous vs lush

voluptuous is not a noun while lush is a noun.

Word	Noun	Adjective	Verb	Adverb
voluptuous	No	Yes	No	No
lush	Yes	Yes	No	No

As adjectives, voluptuous and lush are synonyms defined as:

Other synonyms of voluptuous include juicy, luscious, red-hot, toothsome.

voluptuous (noun)	lush (noun)
	a person who drinks alcohol to excess habitually

voluptuous (adjective)	lush (adjective)
displaying luxury and furnishing gratification to the senses	produced or growing in extreme abundance
having strong sexual appeal	tender and full of juice
(of a woman's body) having a large bosom and pleasing curves	ostentatiously rich and superior in quality
	having strong sexual appeal