Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-Aryan
*āī
→
Assamese
আই
(derived)
→
Assamese
আই
(derived(as/inc-oas))
→
Marathi
आई
(derived)