adjective arab avestan language bactrian language bakhtiari language bartangi language bashkardi language behistun inscription dialects of fars eastern iranian languages epenthesis extinct language frahang-i pahlavig gilaki language gorani language grammatical case grammatical tense hazaragi indo-european languages indo-iranian languages inflection iran iranian languages islam khotanese language khwarezmian language kurdish language kurmanji laki language language death language family mazandarani language median language munji language noun ossetic language parthian language pashto language pazend persepolis persian language prestige dialect pronoun sangsari language sarikoli language scythian languages shughni language sogdian language southern kurdish tajik language talysh language unicode vanji language wakhi language western iranian languages yaghnobi language yazgulyam language yidgha language zoroastrianism