upchuck vs vomit up

upchuck and vomit up both are verbs.

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

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

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

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

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