hail vs hailstone

hail and hailstone both are nouns.

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

hail (noun)	hailstone (noun)
enthusiastic greeting	small pellet of ice that falls during a hailstorm
many objects thrown forcefully through the air
precipitation of ice pellets when there are strong rising air currents

hail (verb)	hailstone (verb)
greet enthusiastically or joyfully
call for
praise vociferously
be a native of
precipitate as small ice particles