Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Telugu
కట్టడము
←
Tamil
கட்டடம்
(cognate)
←
Tulu
ಕಟ್ಟಡ
(cognate)
→
Tamil
கட்டடம்
(cognate)