Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
किंचिद्
→
Assamese
কিছু
(inherited)
→
Awadhi
कछू
(inherited)
→
Hindi
कुछ
(inherited)