registered vs animal

registered is not a noun while animal is a noun.

Word	Noun	Adjective	Verb	Adverb
registered	No	Yes	No	No
animal	Yes	Yes	No	No

registered (noun)	animal (noun)
	a living organism characterized by voluntary movement

registered (adjective)	animal (adjective)
listed or recorded officially	marked by the appetites and passions of the body
(of animals) officially recorded with or certified by a recognized breed association; especially in a stud book
(of a boat or vessel) furnished with necessary official documents specifying ownership etc