flavourless vs flavorless

flavourless and flavorless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flavourless	No	Yes	No	No
flavorless	No	Yes	No	No

As adjectives, flavourless and flavorless are synonyms defined as:

Other synonyms of flavourless include bland, flat, insipid, savorless, savourless, vapid.

flavourless (adjective)	flavorless (adjective)
lacking taste or flavor or tang	lacking taste or flavor or tang