What's the difference between divinatory and sibyllic?

Divinatory

Definition:

• (a.) Professing, or relating to, divination.

Example Sentences:

• (1) As a divinatory practice, astrology is without equal in both its colorful history and modern day popularity.
• (2) Calea zacatechichi is a plant used by the Chontal Indians of Mexico to obtain divinatory messages during dreaming.

Sibyllic

Definition:

Example Sentences: