Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Assamese
কুপতি
←
Assamese
কপৌ
(doublet)
←
Proto-Indo-Iranian
*kapáwtas
(inherited)
←
Sanskrit
कपोती
(borrowed)
←
Sanskrit
कपोत
(link)
→
Assamese
কপৌ
(doublet)
→
Assamese
পাৰাউৱা
(link)