hailstone vs ice

hailstone and ice both are nouns.

Word	Noun	Adjective	Verb	Adverb
hailstone	Yes	No	No	No
ice	Yes	No	Yes	No

As nouns, ice is a hypernym of hailstone; that is, ice is a word with a broader meaning than hailstone:

Other hypernyms of hailstone include water ice.

hailstone (noun)	ice (noun)
small pellet of ice that falls during a hailstorm	a rink with a floor of ice for ice hockey or ice skating
	an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
	a frozen dessert with fruit flavoring (especially one containing no milk)
	a flavored sugar topping used to coat and decorate cakes
	the frozen part of a body of water
	diamonds
	water frozen in the solid state