Rochelle powder vs Seidlitz powder

Rochelle powder and Seidlitz powder both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rochelle powder	Yes	No	No	No
Seidlitz powder	Yes	No	No	No

As nouns, Rochelle powder and Seidlitz powder are synonyms defined as:

Rochelle powder and Seidlitz powder: an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic

Other synonyms of Rochelle powder include Seidlitz powders.

Rochelle powder (noun)	Seidlitz powder (noun)
an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic	an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic