Proto-Tai *kajᴮ

→ Ahom 𑜀𑜩 (inherited)

→ Tai Dam ꪼꪀ꪿ (inherited)

→ Lü ᦺᦂᧈ (inherited)

→ Lao ໄກ່ (inherited)

→ Northern Thai ᨠᩱ᩵ (inherited)

→ Bouyei gais (inherited)

→ Shan ၵႆႇ (inherited)

→ Thai ไก่ (inherited)

→ Zhuang gaeq (inherited)

→ Chinese 雞 (cognate)