Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bengali
তেপায়া
←
Bengali
তে-
(compound)
←
Bengali
পায়া
(compound)
←
Bengali
টিপাই
(doublet)
←
Hindi
तिपाई
(cognate)
←
Proto-Indo-European
*tréyes-
(root)
←
Sanskrit
त्रिपाद
(cognate)
→
Bengali
টিপাই
(doublet)
→
Hindi
तिपाई
(cognate)