Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bengali
সাঁতার
←
Sanskrit
संतॄ
(inherited)
→
Assamese
সাঁতোৰা
(cognate)
→
Assamese
সাঁতোৰ
(cognate)
→
Bengali
হাঁতার
(cognate)
→
Bengali
সাঁতার কাটা
(compound)