Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mongolic
*jaxun
→
Mongolian
зуун
(inherited)
→
Mongolian
зуу
(inherited)
→
Khitan
爪
(cognate)