boisterousness vs storminess

boisterousness and storminess both are nouns.

Word	Noun	Adjective	Verb	Adverb
boisterousness	Yes	No	No	No
storminess	Yes	No	No	No

As nouns, storminess is a hypernym of boisterousness; that is, storminess is a word with a broader meaning than boisterousness:

boisterousness (noun)	storminess (noun)
the property of being noisy and lively and unrestrained	violent passion in speech or action
a turbulent and stormy state of the sea	the state of being stormy