stayer vs fauna

stayer and fauna both are nouns.

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

As nouns, fauna is a hypernym of stayer; that is, fauna is a word with a broader meaning than stayer:

Other hypernyms of stayer include animal, animate being, beast, brute, creature.

stayer (noun)	fauna (noun)
a person or other animal having powers of endurance or perseverance	a living organism characterized by voluntary movement
	all the animal life in a particular region or period