Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
தீ
←
Kannada
ತೀ
(cognate)
←
Malayalam
തീ
(cognate)
→
Malayalam
തീ
(cognate)
→
Tamil
தீமுறி
(compound)
→
Tamil
தீமை
(suffix)
→
Tamil
தீபிகை
(link)