hopper vs acridid

hopper and acridid both are nouns.

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

As nouns, acridid is a hyponym of hopper; that is, acridid is a word with a more specific, narrower meaning than hopper:

Other hyponyms of hopper include short-horned grasshopper, long-horned grasshopper, tettigoniid.

hopper (noun)	acridid (noun)
(baseball) a hit that travels along the ground	grasshopper with short antennae
terrestrial plant-eating insect with hind legs adapted for leaping
funnel-shaped receptacle; contents pass by gravity into a receptacle below
a machine used for picking hops
someone who hops