scumbag vs crumb

scumbag and crumb both are nouns.

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

As nouns, scumbag and crumb are synonyms defined as:

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

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

scumbag (noun)	crumb (noun)
a person who is deemed to be despicable or contemptible	small piece of e.g. bread or cake
	a person who is deemed to be despicable or contemptible
	a very small quantity of something