Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Mon-Khmer *t₂ŋiiʔ

→ Khmer ថ្ងៃ (inherited)
→ Mon တ္ၚဲ (inherited)
→ Muong ngày (inherited)
→ Pnar sngi (derived)
→ Vietnamese ngày (inherited)