sibylline vs vatic

sibylline and vatic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sibylline	No	Yes	No	No
vatic	No	Yes	No	No

As adjectives, sibylline and vatic are synonyms defined as:

sibylline and vatic: resembling or characteristic of a prophet or prophecy

Other synonyms of sibylline include divinatory, mantic, sibyllic, vatical.

sibylline (adjective)	vatic (adjective)
having a secret or hidden meaning	resembling or characteristic of a prophet or prophecy
resembling or characteristic of a prophet or prophecy