possessor vs possess

possessor is a noun but possess is not a noun.

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

possessor (noun)	possess (noun)
a person who owns something

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