flavoring vs flavouring

flavoring and flavouring both are nouns.

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

As nouns, flavoring and flavouring are synonyms defined as:

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

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

flavoring (noun)	flavouring (noun)
something added to food primarily for the savor it imparts	something added to food primarily for the savor it imparts