creature vs fauna

creature and fauna both are nouns.

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

As nouns, creature and fauna are synonyms defined as:

creature and fauna: a living organism characterized by voluntary movement

Other synonyms of creature include animal, animate being, beast, brute.

creature (noun)	fauna (noun)
a living organism characterized by voluntary movement	a living organism characterized by voluntary movement
a living being	all the animal life in a particular region or period
a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else