Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
дунд
←
Mongolian
-д
(mention)
←
Dongxiang
dunda
(cognate)
←
Proto-Mongolic
*dumda
(inherited)