animal vs unattached

animal is a noun but unattached is not a noun.

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

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

animal (adjective)	unattached (adjective)
marked by the appetites and passions of the body	not associated in an exclusive sexual relationship
	not fastened together
	(of animals) able to swim about; not attached