inalienable(incapable of being alienated, surrendered, or transferred to another; not alienable) adjective [UK: ˌɪn.ˈeɪ.lɪə.nəb.l̩] [US: ˌɪ.ˈneɪ.ljə.nəb.l̩]
integral(constituting a whole together with other parts or factors; not omittable or removable) adjective [UK: ˈɪn.tɪ.ɡrəl] [US: ˈɪn.tə.ɡrəl]