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

→ Kannada ಒಂಬತ್ತು (mention)
→ Malayalam ഒമ്പത് (mention)
→ Tamil ஒன்பது (mention)
→ Tamil பத்து (inherited)