Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hindi
डब्बा
→
Assamese
ডাব
(cognate)
→
Assamese
ডবা
(cognate)
→
Hindi
डब्बावाला
(suffix)