confusion a mistake that results from taking one thing to be another; "he changed his name in order to avoid confusion with the notorious outlaw"
commixture,
mixing,
admixture,
intermixture,
mix,
mixture an additional ingredient that is added by mixing with the base; "the growing medium should be equal parts of sand and loam with an admixture of peat moss and cow manure"; "a large intermixture of sand"