Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Garo
ha·pek
←
Garo
ha·
(prefix)
←
Garo
-pek
(prefix)
→
Kokborok
harpek
(cognate)