preternatural vs otherworldly

preternatural and otherworldly both are adjectives.

Word	Noun	Adjective	Verb	Adverb
preternatural	No	Yes	No	No
otherworldly	No	Yes	No	No

As adjectives, preternatural and otherworldly are synonyms defined as:

preternatural and otherworldly: existing outside of or not in accordance with nature

Other synonyms of preternatural include nonnatural, transcendental.

preternatural (adjective)	otherworldly (adjective)
surpassing the ordinary or normal	existing outside of or not in accordance with nature
existing outside of or not in accordance with nature