fauna vs half-breed

fauna and half-breed both are nouns.

Word	Noun	Adjective	Verb	Adverb
fauna	Yes	No	No	No
half-breed	Yes	Yes	No	No

fauna (noun)	half-breed (noun)
a living organism characterized by voluntary movement	an offensive term for an offspring of parents of different racial group (especially of Caucasian and American Indian ancestry)
all the animal life in a particular region or period

fauna (adjective)	half-breed (adjective)
	(of animals) having only one purebred parent