Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mongolic
*eke
→
Mongolian
эх
(inherited)
→
Dongxiang
ekie
(inherited)
→
Tuvan
эгелээр
(derived)