epicure vs bon vivant

epicure and bon vivant both are nouns.

Word	Noun	Adjective	Verb	Adverb
epicure	Yes	No	No	No
bon vivant	Yes	No	No	No

As nouns, epicure and bon vivant are synonyms defined as:

epicure and bon vivant: a person devoted to refined sensuous enjoyment (especially good food and drink)

Other synonyms of epicure include epicurean, foodie, gastronome, gourmet.

epicure (noun)	bon vivant (noun)
a person devoted to refined sensuous enjoyment (especially good food and drink)	a person devoted to refined sensuous enjoyment (especially good food and drink)