domesticize vs fauna

domesticize is not a noun while fauna is a noun.

Word	Noun	Adjective	Verb	Adverb
domesticize	No	No	Yes	No
fauna	Yes	No	No	No

domesticize (noun)	fauna (noun)
	a living organism characterized by voluntary movement
	all the animal life in a particular region or period

domesticize (verb)	fauna (verb)
overcome the wildness of; make docile and tractable