demoniacal vs possessed

demoniacal and possessed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
demoniacal	No	Yes	No	No
possessed	No	Yes	No	No

As adjectives, demoniacal and possessed are synonyms defined as:

demoniacal and possessed: of, pertaining to, or like a demon or possession by a demon

Other synonyms of demoniacal include demoniac.

demoniacal (adjective)	possessed (adjective)
of, pertaining to, or like a demon or possession by a demon	of, pertaining to, or like a demon or possession by a demon
	influenced or controlled by a powerful force such as a strong emotion