chopper vs hopper

chopper and hopper both are nouns.

Word	Noun	Adjective	Verb	Adverb
chopper	Yes	No	No	No
hopper	Yes	No	No	No

As nouns, hopper is a hypernym of chopper; that is, hopper is a word with a broader meaning than chopper:

Other hypernyms of chopper include ground ball, groundball, grounder.

chopper (noun)	hopper (noun)
a grounder that bounces high in the air	(baseball) a hit that travels along the ground
a butcher's knife having a large square blade	terrestrial plant-eating insect with hind legs adapted for leaping
an aircraft without wings that obtains its lift from the rotation of overhead blades	funnel-shaped receptacle; contents pass by gravity into a receptacle below
informal terms for a human `tooth'	a machine used for picking hops
	someone who hops