roughness vs storminess

roughness and storminess both are nouns.

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

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

roughness (noun)	storminess (noun)
harsh or severe speech or behavior	violent passion in speech or action
a texture of a surface or edge that is not smooth but is irregular and uneven	the state of being stormy
the quality of being harsh or rough or grating to the senses
an unpolished unrefined quality
the formation of small pits in a surface as a consequence of corrosion
used of the sea during inclement or stormy weather
rowdy behavior