bird vs beak

bird and beak both are nouns.

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

bird (noun)	beak (noun)
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings	horny projecting mouth of a bird
badminton equipment consisting of a ball of cork or rubber with a crown of feathers	beaklike mouth of animals other than birds (e.g., turtles)
a cry or noise made to express displeasure or contempt	informal terms for the nose
the flesh of a bird or fowl (wild or domestic) used as food	a beaklike, tapering tip on certain plant structures
informal terms for a (young) woman

bird (verb)	beak (verb)
watch and study birds in their natural habitat	hit lightly with a picking motion