Bouyei hac

← Ahom 𑜑𑜡 (cognate)

← Tai Dam ꪬ꫁ꪱ (cognate)

← Lü ᦠᦱᧉ (cognate)

← Lao ຫ້າ (cognate)

← Northern Thai ᩉ᩶ᩣ (cognate)

← Shan ႁႃႈ (cognate)

← Proto-Tai *haːᶜ (inherited)

← Tai Nüa ᥞᥣᥲ (cognate)

← Thai ห้า (cognate)

← Zhuang haj (cognate)

→ Tai Dam ꪬ꫁ꪱ (cognate)

→ Lü ᦠᦱᧉ (cognate)

→ Lao ຫ້າ (cognate)

→ Shan ႁႃႈ (cognate)

→ Tai Nüa ᥞᥣᥲ (cognate)

→ Thai ห้า (cognate)

→ Zhuang haj (cognate)