Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kannada
ಆರು
←
Proto-Dravidian
*cāṯ-u
(inherited)
←
Tamil
ஆறு
(cognate)
→
Kolami
ఆర్
(cognate)
→
Malayalam
ആറ്
(cognate)
→
Sholaga
ಆಱು
(cognate)
→
Sholaga
ಆಱೊ
(cognate)