vomit up vs regurgitate

vomit up and regurgitate both are verbs.

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

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

vomit up and regurgitate: 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, retch, sick, spew, spue, throw up, upchuck, vomit.

vomit up (verb)	regurgitate (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth
	repeat after memorization
	feed through the beak by regurgitating previously swallowed food
	pour or rush back