vomit vs puke

vomit and puke both are nouns.

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

As nouns, vomit and puke are synonyms defined as:

Other synonyms of vomit include barf, vomitus.

As verbs, vomit and puke are synonyms defined as:

vomit (noun)	puke (noun)
the reflex act of ejecting the contents of the stomach through the mouth	a person who is deemed to be despicable or contemptible
a medicine that induces nausea and vomiting	the matter ejected in vomiting
the matter ejected in vomiting

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