flavoring vs seasoner

flavoring and seasoner both are nouns.

Word	Noun	Adjective	Verb	Adverb
flavoring	Yes	No	No	No
seasoner	Yes	No	No	No

As nouns, flavoring and seasoner are synonyms defined as:

flavoring and seasoner: something added to food primarily for the savor it imparts

Other synonyms of flavoring include flavorer, flavourer, flavouring, seasoning.

flavoring (noun)	seasoner (noun)
something added to food primarily for the savor it imparts	something added to food primarily for the savor it imparts
	a cook who uses seasonings