common salt vs flavorer

common salt and flavorer both are nouns.

Word	Noun	Adjective	Verb	Adverb
common salt	Yes	No	No	No
flavorer	Yes	No	No	No

As nouns, flavorer is a hypernym of common salt; that is, flavorer is a word with a broader meaning than common salt:

common salt: white crystalline form of especially sodium chloride used to season and preserve food
flavorer: something added to food primarily for the savor it imparts

Other hypernyms of common salt include flavoring, flavourer, flavouring, seasoner, seasoning.

common salt (noun)	flavorer (noun)
white crystalline form of especially sodium chloride used to season and preserve food	something added to food primarily for the savor it imparts
a white crystalline solid consisting mainly of sodium chloride (NaCl)