Nebder-d iferdisen n tefyirt i izemren ad uɣalen d anammal n usentel.40% n tefyar nufa-d deg-sent anammal n usentel. Deg uḥric wis sin nemmeslay-d ɣef usifrer n yisali (rhématisation) i d yettawin isalan imaynuten deg tafyirt, i yellan s wazal n 9%. Imi tikwal tuɛer tifin n useɣru deg tefyirt i deg yettili usifrer n yisali amaynut, nbeder-d sin n yisefranen i d-yefka R.Ɛacur (2020) i wakken ad naf aseɣru deg tefyar am ti.