long-windedness vs windiness

long-windedness and windiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
long-windedness	Yes	No	No	No
windiness	Yes	No	No	No

As nouns, long-windedness and windiness are synonyms defined as:

Other synonyms of long-windedness include prolixity, prolixness, wordiness.

long-windedness (noun)	windiness (noun)
boring verbosity	boring verbosity
	a mildly windy state of the air