flavouring vs seasoner

flavouring and seasoner both are nouns.

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

As nouns, flavouring and seasoner are synonyms defined as:

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

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

flavouring (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