Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Assamese
ভকত
←
Assamese
ভাত
(doublet)
←
Early Assamese
ভকত
(inherited)
←
Sanskrit
भक्त
(derived)
→
Assamese
ভাত
(doublet)