Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Telugu
చట్టము
←
Malayalam
ചട്ടം
(cognate)
←
Tamil
சட்டம்
(cognate)
→
Tamil
சட்டம்
(cognate)