throw up vs puke

throw up is not a noun while puke is a noun.

Word	Noun	Adjective	Verb	Adverb
throw up	No	No	Yes	No
puke	Yes	No	Yes	No

As verbs, throw up and puke are synonyms defined as:

Other synonyms of throw up include barf, be sick, cast, cat, chuck, disgorge, honk, purge, regorge, regurgitate, retch, sick, spew, spue, upchuck, vomit, vomit up.

throw up (noun)	puke (noun)
	a person who is deemed to be despicable or contemptible
	the matter ejected in vomiting

throw up (verb)	puke (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth