Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Dravidian
*akka-
→
Kannada
ಅಕ್ಕ
(inherited)
→
Malayalam
അക്ക
(inherited)
→
Tamil
அக்கா
(inherited)
→
Telugu
అక్క
(inherited)