throw up vs be sick

throw up and be sick both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw up	No	No	Yes	No
be sick	No	No	Yes	No

As verbs, throw up and be sick are synonyms defined as:

throw up and be sick: eject the contents of the stomach through the mouth

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

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