smelling salts vs formulation

smelling salts and formulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
smelling salts	Yes	No	No	No
formulation	Yes	No	No	No

As nouns, formulation is a hypernym of smelling salts; that is, formulation is a word with a broader meaning than smelling salts:

smelling salts: a pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness
formulation: a substance prepared according to a formula

Other hypernyms of smelling salts include preparation.

smelling salts (noun)	formulation (noun)
a pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness	inventing or contriving an idea or explanation and formulating it mentally
	the style of expressing yourself
	a substance prepared according to a formula