reliable vs authentic

reliable and authentic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
reliable	No	Yes	No	No
authentic	No	Yes	No	No

As adjectives, reliable and authentic are synonyms defined as:

reliable and authentic: conforming to fact and therefore worthy of belief

reliable (adjective)	authentic (adjective)
worthy of reliance or trust	not counterfeit or copied
conforming to fact and therefore worthy of belief	conforming to fact and therefore worthy of belief
worthy of being depended on