Proto-Indo-Iranian *wŕ̥kas

→ Avestan 𐬬𐬆𐬵𐬭𐬐𐬀 (inherited)

→ Baluchi گرک (inherited)

→ Persian گرگ (inherited)

→ Moksha врьгаз (cognate)

→ Mazanderani ورگ (inherited)

→ Middle Persian gwlg (inherited)

→ Old Persian 𐎺𐎼𐎣 (inherited)

→ Sanskrit वृक (inherited)

→ Shina उरुक (inherited)

→ Telugu వృకము (derived)

→ Tajik гург (inherited)