Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Tamil பத்து
← Proto-Dravidian *paH-tu (inherited)
← Kannada ಪತ್ತು (cognate)
← Malayalam പത്തു (cognate)
← Tulu ಪತ್ತ್ (cognate)
← Telugu పది (cognate)

→ Old Kannada ಪತ್ತು (cognate)
→ Kannada ಹತ್ತು (cognate)