seasoning vs seasoner

seasoning and seasoner both are nouns.

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

As nouns, seasoning and seasoner are synonyms defined as:

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

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

seasoning (noun)	seasoner (noun)
the act of adding a seasoning to food	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