potassium sodium tartrate vs Rochelle salt

potassium sodium tartrate and Rochelle salt both are nouns.

Word	Noun	Adjective	Verb	Adverb
potassium sodium tartrate	Yes	No	No	No
Rochelle salt	Yes	No	No	No

As nouns, potassium sodium tartrate and Rochelle salt are synonyms defined as:

potassium sodium tartrate and Rochelle salt: a double salt used in Seidlitz powder; acts as a cathartic

Other synonyms of potassium sodium tartrate include Rochelle salts.

potassium sodium tartrate (noun)	Rochelle salt (noun)
a double salt used in Seidlitz powder; acts as a cathartic	a double salt used in Seidlitz powder; acts as a cathartic