kinsmanship|ˈkɪnzmənʃɪp| [f.prec. + -ship.] The relation of kinsmen; kinship. Also fig. 1842Tait's Mag. IX. 563 Little..did I surmise your kinsmanship with a man so disgraced.1874Sayce Compar.Philol. v. 189 The surest ‘differentia’ of linguistic kinsmanship.