Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
மாடம்
←
Malayalam
മാടം
(cognate)
←
Telugu
మాడుగు
(cognate)
→
Tamil
வாயின்மாடம்
(compound)