Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Tamil பூ
← Proto-Dravidian *pū (inherited)
← Kannada ಹೂವು (cognate)
← Malayalam പൂവ് (cognate)
← Tulu ಪೂ (cognate)
← Telugu పువ్వు (cognate)

→ Kannada ಹೂವು (cognate)
→ Malayalam പൂവ് (cognate)
→ Malayalam പൂ (cognate)
→ Tamil குங்குமப்பூ (compound)
→ Tamil பூகண்டம் (compound)
→ Tamil ஆறுமணிப்பூ (affix)
→ Telugu పువ్వు (cognate)
→ Telugu పూవు (cognate)