slob vs litterer

slob and litterer both are nouns.

Word	Noun	Adjective	Verb	Adverb
slob	Yes	No	No	No
litterer	Yes	No	No	No

As nouns, litterer is a hyponym of slob; that is, litterer is a word with a more specific, narrower meaning than slob:

Other hyponyms of slob include litter lout, litterbug, slattern, slovenly woman, slut, trollop.

slob (noun)	litterer (noun)
a coarse obnoxious person	a person who litters public places with refuse