be sick vs regurgitate

be sick and regurgitate both are verbs.

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

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

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

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

be sick (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