Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Written Oirat
ᡍᠠᠷᠠ
←
Mongolian
ᠬᠠᠷᠠ
(cognate)
←
Proto-Mongolic
*kara
(inherited)