Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Pnar
dakha
←
Proto-Khasian
*kʰaː
(inherited)
←
Khasi
dohkha
(cognate)
←
Proto-Mon-Khmer
*kaʔ
(derived)