Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Zou
kei
←
Proto-Sino-Tibetan
*ŋa-j ~ ka
(inherited)
←
Proto-Kuki-Chin
*kay ~ kay-maʔ
(inherited)