hopper vs tettigoniid

hopper and tettigoniid both are nouns.

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

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

hopper: terrestrial plant-eating insect with hind legs adapted for leaping
tettigoniid: grasshoppers with long threadlike antennae and well-developed stridulating organs on the forewings of the male

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

hopper (noun)	tettigoniid (noun)
(baseball) a hit that travels along the ground	grasshoppers with long threadlike antennae and well-developed stridulating organs on the forewings of the male
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