The question is difficult to answer, because the more distinct the forms are which we consider, by so much the arguments in favour of community of descent become fewer in number and less in force.
Ez da erraz galdera honi erantzutea; izan ere, zenbat eta bereiziagoak diren aztergai ditugun formak, orduan eta jatorri berekoak izatearen aldeko arrazoiak gutxiago eta indargeagoak baitira.