stinker vs scum bag

stinker and scum bag both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinker	Yes	No	No	No
scum bag	Yes	No	No	No

As nouns, stinker and scum bag are synonyms defined as:

stinker and scum bag: a person who is deemed to be despicable or contemptible

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

stinker (noun)	scum bag (noun)
an artifact (especially an automobile) that is defective or unsatisfactory	a person who is deemed to be despicable or contemptible
anything that gives off an offensive odor (especially a cheap cigar)
a person who is deemed to be despicable or contemptible