Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Assamese
নদী
←
Assamese
নৈ
(doublet)
←
Sanskrit
नदी
(borrowed)
→
Assamese
নৈ
(doublet)