Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Tamil பாம்பு
← Proto-Dravidian *pāmpu (inherited)
← Kannada ಹಾವು (cognate)
← Malayalam പാമ്പ് (cognate)
← Old Tamil 𑀧𑀸𑀫𑁆𑀧𑀼 (derived)
← Telugu పాము (cognate)

→ Kannada ಹಾವು (cognate)
→ Malayalam പാമ്പ് (cognate)
→ Tamil மலைப்பாம்பு (affix)
→ Tulu ಪಾವು (cognate)
→ Telugu పాము (cognate)