Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kannada
ಕಲ್ಲು
←
Old Kannada
ಕಲ್
(inherited)
→
Malayalam
കല്ല്
(cognate)
→
Tamil
கல்
(cognate)