Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
உள்ளம்
←
Malayalam
ഉള്ളം
(cognate)
←
Tamil
உள்
(link)
←
Telugu
ఉల్లము
(cognate)
→
Malayalam
ഉള്ളം
(cognate)