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