Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Mon-Khmer *cɔʔ

→ Bahnar kŏ so (inherited)
→ Pacoh acho (inherited)
→ Pnar ksaw (derived)
→ Parauk sox (inherited)
→ Semai chooq (inherited)
→ Vietnamese chó (inherited)
→ Mang θɔː¹ (inherited)