throw up vs chuck

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

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

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

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

throw up (noun)	chuck (noun)
	a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
	the part of a forequarter from the neck to the ribs and including the shoulder blade
	informal terms for a meal

throw up (verb)	chuck (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth
	throw carelessly
	pat or squeeze fondly or playfully, especially under the chin
	throw away