bird vs oyster

bird and oyster both are nouns.

Word	Noun	Adjective	Verb	Adverb
bird	Yes	No	Yes	No
oyster	Yes	No	Yes	No

bird (noun)	oyster (noun)
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings	marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
badminton equipment consisting of a ball of cork or rubber with a crown of feathers	edible body of any of numerous oysters
a cry or noise made to express displeasure or contempt	a small muscle on each side of the back of a fowl
the flesh of a bird or fowl (wild or domestic) used as food
informal terms for a (young) woman

bird (verb)	oyster (verb)
watch and study birds in their natural habitat	gather oysters, dig oysters