Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
குன்று
←
Malayalam
കുന്ന്
(cognate)
←
Telugu
కొండ
(cognate)
→
Malayalam
കുന്ന്
(cognate)