Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
үйл
←
Proto-Mongolic
*üile
(inherited)
→
Buryat
үйлэ
(cognate)
→
Mongolian
үйлчлэх
(suffix)
→
Mongolian
үйлдэх
(affix)
→
Kalmyk
үүл
(cognate)