upchuck vs regurgitate

upchuck and regurgitate both are verbs.

Word	Noun	Adjective	Verb	Adverb
upchuck	No	No	Yes	No
regurgitate	No	No	Yes	No

As verbs, upchuck and regurgitate are synonyms defined as:

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

upchuck (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