scumbag vs rotter

scumbag and rotter both are nouns.

Word	Noun	Adjective	Verb	Adverb
scumbag	Yes	No	No	No
rotter	Yes	No	No	No

As nouns, scumbag and rotter are synonyms defined as:

scumbag and rotter: a person who is deemed to be despicable or contemptible

Other synonyms of scumbag include bum, crumb, dirty dog, git, lowlife, puke, rat, scum bag, skunk, so-and-so, stinker, stinkpot.

scumbag (noun)	rotter (noun)
a person who is deemed to be despicable or contemptible	a person who is deemed to be despicable or contemptible