Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
पूति
→
Bengali
পূতিবাত
(derived)
→
Hindi
पूति
(learned borrowing)
→
Sanskrit
पूतिवात
(compound)