onion salt vs flavorer

onion salt and flavorer both are nouns.

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

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

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

onion salt (noun)	flavorer (noun)
ground dried onion and salt	something added to food primarily for the savor it imparts