nauseant vs emetic

nauseant and emetic both are nouns.

Word	Noun	Adjective	Verb	Adverb
nauseant	Yes	No	No	No
emetic	Yes	No	No	No

As nouns, nauseant and emetic are synonyms defined as:

Other synonyms of nauseant include vomit, vomitive.

nauseant (noun)	emetic (noun)
a medicine that induces nausea and vomiting	a medicine that induces nausea and vomiting