Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mongolic
*ejen
→
Mongolian
эзэн
(inherited)
→
Nivkh
ыс
(derived)
→
Nivkh
ызӈ
(derived)