sloven vs vulgarian

sloven and vulgarian both are nouns.

Word	Noun	Adjective	Verb	Adverb
sloven	Yes	No	No	No
vulgarian	Yes	No	No	No

As nouns, vulgarian is a hypernym of sloven; that is, vulgarian is a word with a broader meaning than sloven:

sloven: a coarse obnoxious person
vulgarian: a vulgar person (especially someone who makes a vulgar display of wealth)

sloven (noun)	vulgarian (noun)
a coarse obnoxious person	a vulgar person (especially someone who makes a vulgar display of wealth)