antimony potassium tartrate vs tartar emetic

antimony potassium tartrate and tartar emetic both are nouns.

Word	Noun	Adjective	Verb	Adverb
antimony potassium tartrate	Yes	No	No	No
tartar emetic	Yes	No	No	No

As nouns, antimony potassium tartrate and tartar emetic are synonyms defined as:

antimony potassium tartrate and tartar emetic: a poisonous colorless salt used as a mordant and in medicine

antimony potassium tartrate (noun)	tartar emetic (noun)
a poisonous colorless salt used as a mordant and in medicine	a poisonous colorless salt used as a mordant and in medicine