Proto-Philippine *asu

→ Casiguran Dumagat Agta aso (inherited)

→ Mayoyao Ifugao ahu (inherited)

→ Ilongot atu (inherited)

→ Iranun asu (inherited)

→ Ilocano aso (inherited)

→ Isnag ato (inherited)

→ Itawit atu (inherited)

→ Kankanaey aso (inherited)

→ Karao aso (inherited)

→ Central Bontoc aso (inherited)

→ Western Bukidnon Manobo asu (derived)

→ Matigsalug Manobo asu (inherited)

→ Maranao aso (inherited)

→ Pangasinan aso (inherited)

→ Kapampangan asu (inherited)

→ Calamian Tagbanwa ohu (inherited)

→ Tagalog aso (inherited)

→ Tontemboan asu (inherited)

→ Yakan asu (derived)