unholy vs satanic

unholy and satanic both are adjectives.

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

As adjectives, unholy and satanic are synonyms defined as:

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

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

unholy (adjective)	satanic (adjective)
not hallowed or consecrated	extremely evil or cruel; expressive of cruelty or befitting hell
extremely evil or cruel; expressive of cruelty or befitting hell
having committed unrighteous acts