puke vs bum

puke and bum both are nouns.

Word	Noun	Adjective	Verb	Adverb
puke	Yes	No	Yes	No
bum	Yes	Yes	Yes	No

As nouns, puke and bum are synonyms defined as:

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

puke (noun)	bum (noun)
a person who is deemed to be despicable or contemptible	the fleshy part of the human body that you sit on
the matter ejected in vomiting	a vagrant
	a person who is deemed to be despicable or contemptible
	person who does no work

puke (adjective)	bum (adjective)
	of very poor quality; flimsy

puke (verb)	bum (verb)
eject the contents of the stomach through the mouth	ask for and get free; be a parasite
	be lazy or idle