Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Malayalam
നാട്
←
Proto-Dravidian
*nāṭu
(inherited)
←
Tamil
நாடு
(cognate)
←
Telugu
నాడు
(cognate)