Southern Altai арка

← Azerbaijani arxa (cognate)

← Bashkir арҡа (cognate)

← Crimean Tatar arqa (cognate)

← Kazakh арқа (cognate)

← Karachay-Balkar аркъа (cognate)

← Kumyk аркъа (cognate)

← Kyrgyz арка (cognate)

← Turkish arka (cognate)

← Proto-Turkic *ărka (inherited)

← Western Yugur arqa (cognate)