atavistic, bodily, born, coeval, congenital, connatal, connate, connatural, constitutional, crossbred, endogamic, endogamous, exogamic, exogamous, genetic, hereditary, impregnated, in the blood, inborn, incarnate, indigenous, inherited, innate, inseminated, instinctive, instinctual, linebred, native, native to, natural, natural to, organic, outbred, physical, primal, temperamental