Ossetian, commonly referred to as Ossetic and rarely as Ossete, is an Eastern Iranian language that is spoken predominantly in Ossetia, a region situated on both sides of the Greater Caucasus. It is the native language of the Ossetian people, and a relative and possibly a descendant of the extinct Scythian, Sarmatian, and Alanic languages.

Yaghnobi is an Eastern Iranian language spoken in the upper valley of the Yaghnob River in the Zarafshan area of Tajikistan by the Yaghnobi people. It is considered to be a direct descendant of Sogdian and has sometimes been called Neo-Sogdian in academic literature. There are some 12,500 Yaghnobi speakers, divided into several communities. The principal group lives in the Zafarobod area. There are also resettlers in the Yaghnob Valley. Some communities live in the villages of Zumand and Kůkteppa and in Dushanbe or its vicinity.