vulgarity vs commonness

vulgarity and commonness both are nouns.

Word	Noun	Adjective	Verb	Adverb
vulgarity	Yes	No	No	No
commonness	Yes	No	No	No

As nouns, vulgarity and commonness are synonyms defined as:

Other synonyms of vulgarity include coarseness, grossness, raunch, vulgarism.

vulgarity (noun)	commonness (noun)
the quality of lacking taste and refinement	ordinariness as a consequence of being frequent and commonplace
	sharing of common attributes
	the quality of lacking taste and refinement
	the state of being that is commonly observed