tartar vs potassium bitartrate

tartar and potassium bitartrate both are nouns.

Word	Noun	Adjective	Verb	Adverb
tartar	Yes	No	No	No
potassium bitartrate	Yes	No	No	No

As nouns, tartar and potassium bitartrate are synonyms defined as:

tartar and potassium bitartrate: a salt used especially in baking powder

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

tartar (noun)	potassium bitartrate (noun)
an incrustation that forms on the teeth and gums	a salt used especially in baking powder
a fiercely vigilant and unpleasant woman
a salt used especially in baking powder