Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Malayalam
തന്ത
←
Proto-Dravidian
*tantay
(inherited)
←
Proto-Dravidian
*tanṯi
(inherited)
←
Kannada
ತಂದೆ
(cognate)
←
Duruwa
तेंद
(cognate)
←
Tamil
தந்தை
(cognate)
←
Telugu
తండ్రి
(cognate)
→
Tamil
தந்தை
(cognate)