vomit up vs throw up

vomit up and throw up both are verbs.

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

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

vomit up and throw up: eject the contents of the stomach through the mouth

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

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