Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bengali
-খানা
←
Assamese
-খন
(cognate)
←
Persian
خانه
(borrowed)
←
Sanskrit
खण्ड
(derived)
→
Assamese
-খন
(mention)
→
Bengali
ইবাদতখানা
(link)
→
Bengali
এবাদতখানা
(link)