upchuck vs be sick

upchuck and be sick both are verbs.

Word	Noun	Adjective	Verb	Adverb
upchuck	No	No	Yes	No
be sick	No	No	Yes	No

As verbs, upchuck and be sick are synonyms defined as:

upchuck and be sick: eject the contents of the stomach through the mouth

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

upchuck (verb)	be sick (verb)
eject the contents of the stomach through the mouth	eject the contents of the stomach through the mouth