vomit up vs spew

vomit up and spew both are verbs.

Word	Noun	Adjective	Verb	Adverb
vomit up	No	No	Yes	No
spew	No	No	Yes	No

As verbs, vomit up and spew are synonyms defined as:

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

vomit up (verb)	spew (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth
	expel or eject (saliva or phlegm or sputum) from the mouth
	eject or send out in large quantities, also metaphorical