Proto-Turkic *sɨb

→ Southern Altai суу (inherited)

→ Northern Altai суу (inherited)

→ Shor суғ (inherited)

→ Dolgan уу (inherited)

→ Tofa суғ (inherited)

→ Khakas суғ (inherited)

→ Karachay-Balkar суу (inherited)

→ Kyrgyz суу (inherited)

→ Ottoman Turkish صو (inherited)

→ Yakut уу (inherited)

→ Turkmen suw (derived)

→ Turkish su (inherited)

→ Tuvan суг (inherited)

→ Karakhanid سُوڤْ (mention)