dry mustard vs vomit

dry mustard and vomit both are nouns.

Word	Noun	Adjective	Verb	Adverb
dry mustard	Yes	No	No	No
vomit	Yes	No	Yes	No

As nouns, vomit is a hypernym of dry mustard; that is, vomit is a word with a broader meaning than dry mustard:

dry mustard: a substance such that one to three tablespoons dissolved in a glass of warm water is a homemade emetic
vomit: a medicine that induces nausea and vomiting

Other hypernyms of dry mustard include emetic, nauseant, vomitive, mustard, table mustard.

dry mustard (noun)	vomit (noun)
a substance such that one to three tablespoons dissolved in a glass of warm water is a homemade emetic	the reflex act of ejecting the contents of the stomach through the mouth
	a medicine that induces nausea and vomiting
	the matter ejected in vomiting

dry mustard (verb)	vomit (verb)
	eject the contents of the stomach through the mouth