Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-Iranian
*káćšas
→
Assamese
কাষ
(inherited)
→
Hindi
को
(inherited)
→
Sanskrit
कक्ष
(inherited)