Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Dravidian
*ēr̤u
→
Kolami
ఏడ్
(inherited)
→
Kannada
ಏಳು
(inherited)
→
Malayalam
ഏഴ്
(inherited)
→
Tamil
ஏழு
(inherited)
→
Telugu
ఏడు
(inherited)