potassium hydrogen tartrate vs potassium bitartrate

potassium hydrogen tartrate and potassium bitartrate both are nouns.

Word	Noun	Adjective	Verb	Adverb
potassium hydrogen tartrate	Yes	No	No	No
potassium bitartrate	Yes	No	No	No

As nouns, potassium hydrogen tartrate and potassium bitartrate are synonyms defined as:

potassium hydrogen tartrate and potassium bitartrate: a salt used especially in baking powder

Other synonyms of potassium hydrogen tartrate include cream of tartar, tartar.

potassium hydrogen tartrate (noun)	potassium bitartrate (noun)
a salt used especially in baking powder	a salt used especially in baking powder