Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Malayalam
ദേശം
←
Sanskrit
देश
(borrowed)
←
Tamil
தேசம்
(cognate)
←
Telugu
దేశము
(cognate)
→
Tamil
தேசம்
(cognate)