hill vs butte

hill and butte both are nouns.

Word	Noun	Adjective	Verb	Adverb
hill	Yes	No	Yes	No
butte	Yes	No	No	No

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

hill: a local and well-defined elevation of the land
butte: a hill that rises abruptly from the surrounding region; has a flat top and sloping sides

Other hyponyms of hill include foothill, hammock, hillock, hummock, knoll, mound, tor.

hill (noun)	butte (noun)
(baseball) the slight elevation on which the pitcher stands	a hill that rises abruptly from the surrounding region; has a flat top and sloping sides
structure consisting of an artificial heap or bank usually of earth or stones
a local and well-defined elevation of the land

hill (verb)	butte (verb)
form into a hill