Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dongxiang
-chen
←
Mongolian
-гч
(cognate)
←
Mongolian
-чин
(mention)
←
Proto-Mongolic
*-gcï
(inherited)
←
Proto-Mongolic
*-cïn
(mention)