Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
எங்கு
←
Proto-Dravidian
*yā
(derived)
←
Malayalam
എന്നു
(cognate)
←
Tamil
எ
(mention)
→
Tamil
எங்கித்தை
(link)