Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bengali
গাছ
→
Assamese
গছ
(cognate)
→
Kamta
গছ
(cognate)
→
Sinhalese
ගස්
(cognate)