obey vs obedience

obey is not a noun while obedience is a noun.

Word	Noun	Adjective	Verb	Adverb
obey	No	No	Yes	No
obedience	Yes	No	No	No

obey (noun)	obedience (noun)
	the act of obeying; dutiful or submissive behavior with respect to another person
	behavior intended to please your parents
	the trait of being willing to obey

obey (verb)	obedience (verb)
be obedient to