upchuck vs throw up

upchuck and throw up both are verbs.

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

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

upchuck and throw 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, vomit, vomit up.

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