regurgitation vs vomit

regurgitation and vomit both are nouns.

Word	Noun	Adjective	Verb	Adverb
regurgitation	Yes	No	No	No
vomit	Yes	No	Yes	No

As nouns, regurgitation and vomit are synonyms defined as:

regurgitation and vomit: the reflex act of ejecting the contents of the stomach through the mouth

Other synonyms of regurgitation include disgorgement, emesis, puking, vomiting.

regurgitation (noun)	vomit (noun)
the reflex act of ejecting the contents of the stomach through the mouth	the reflex act of ejecting the contents of the stomach through the mouth
recall after rote memorization	a medicine that induces nausea and vomiting
backflow of blood through a defective heart valve	the matter ejected in vomiting

regurgitation (verb)	vomit (verb)
	eject the contents of the stomach through the mouth