bum vs puke

bum and puke both are nouns.

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

As nouns, bum and puke are synonyms defined as:

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

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

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

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