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

→ Assamese বাট (inherited)
→ Bengali বাট (inherited)
→ Gujarati વાટ (derived)
→ Kachchi વાટ (derived)
→ Sanskrit वर्त्मन् (inherited)
→ Varli વાટ (derived)