Synonyms and related words :
aboriginal, ancestorial, antepatriarchal, atavistic, autochthonous, fatherlike, fatherly, grandfatherly, grandmotherly, grandparental, humanoid, maternal, mother, motherlike, motherly, parent, parental, paternal, patriarchal, preadamite, preglacial, prehistoric, prehuman, prime, primeval, primitive, primogenial, primoprimitive, primordial, pristine, protohistoric, protohuman,