Proto-Austronesian *buqaya

→ Acehnese buya (inherited)

→ Cebuano buaya (derived)

→ Indonesian buaya (derived)

→ Javanese baya (inherited)

→ Brunei Malay buaya (derived)

→ Karao bowaja (derived)

→ Minangkabau buayo (inherited)

→ Malay buaya (derived)

→ Sundanese ᮘᮥᮠᮚ (inherited)

→ Tagalog buwaya (inherited)