bare vs au naturel

bare and au naturel both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bare	No	Yes	Yes	No
au naturel	No	Yes	No	No

As adjectives, bare and au naturel are synonyms defined as:

Other synonyms of bare include naked, nude.

bare (adjective)	au naturel (adjective)
lacking its natural or customary covering	having no clothes on the body
not having a protective covering
having everything extraneous removed including contents
providing no shelter or sustenance
lacking in magnitude or quantity
just barely adequate or within a lower limit
apart from anything else; without additions or modifications
lacking embellishment or ornamentation
having no clothes on the body
lacking a surface finish such as paint