bawdry vs vulgarism

bawdry and vulgarism both are nouns.

Word	Noun	Adjective	Verb	Adverb
bawdry	Yes	No	No	No
vulgarism	Yes	No	No	No

As nouns, vulgarism is a hypernym of bawdry; that is, vulgarism is a word with a broader meaning than bawdry:

Other hypernyms of bawdry include dirty word, filth, obscenity, smut.

bawdry (noun)	vulgarism (noun)
lewd or obscene talk or writing	the quality of lacking taste and refinement
	an offensive or indecent word or phrase