satanic vs demonic

satanic and demonic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
satanic	No	Yes	No	No
demonic	No	Yes	No	No

As adjectives, satanic and demonic are synonyms defined as:

satanic and demonic: extremely evil or cruel; expressive of cruelty or befitting hell

Other synonyms of satanic include diabolic, diabolical, fiendish, hellish, infernal, unholy.

satanic (adjective)	demonic (adjective)
extremely evil or cruel; expressive of cruelty or befitting hell	extremely evil or cruel; expressive of cruelty or befitting hell