Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
தேங்காய்
←
Proto-Dravidian
*tenkāy
(inherited)
←
Kannada
ತೆಙ್ಗಾಯ್
(cognate)
←
Malayalam
തെങ്ങങ്കായി
(cognate)
←
Tamil
தெங்கு
(compound)
←
Tamil
காய்
(compound)
←
Telugu
టెఙ్కాయ
(cognate)