possessed vs possess

possessed is an adjective but possess is not an adjective.

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

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

possessed (verb)	possess (verb)
	have ownership or possession of
	have as an attribute, knowledge, or skill
	enter into and control, as of emotions or ideas