saleratus vs bicarbonate

saleratus and bicarbonate both are nouns.

Word	Noun	Adjective	Verb	Adverb
saleratus	Yes	No	No	No
bicarbonate	Yes	No	No	No

As nouns, bicarbonate is a hypernym of saleratus; that is, bicarbonate is a word with a broader meaning than saleratus:

saleratus: a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid
bicarbonate: a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate

Other hypernyms of saleratus include hydrogen carbonate.

saleratus (noun)	bicarbonate (noun)
a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid	a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate