x1 reflects Gaelic/Scottish culture/nationality/language in aspect x2.
Irish (= sicko'o), Scottish (= sunko'o), Celtic (= dzeko'o), Welsh (= nanko'o), Breton (= fasko'o); since Scottish/Gaelic is only the northern branch of the Celtic tribes, many would prefer a fu'ivla for Celtic; nationalism might also demand a separate fu'ivla for Irish. See also brito, glico.