hill vs snow bank

hill and snow bank both are nouns.

Word	Noun	Adjective	Verb	Adverb
hill	Yes	No	Yes	No
snow bank	Yes	No	No	No

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

hill: structure consisting of an artificial heap or bank usually of earth or stones
snow bank: a mound or heap of snow

Other hyponyms of hill include barbette, barrow, burial mound, grave mound, tumulus, embankment, snowbank.

hill (noun)	snow bank (noun)
(baseball) the slight elevation on which the pitcher stands	a mound or heap of snow
structure consisting of an artificial heap or bank usually of earth or stones
a local and well-defined elevation of the land

hill (verb)	snow bank (verb)
form into a hill