Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
зээргэнэ
←
Buryat
зээргэнэ
(cognate)
←
Mongolian
зээр
(suffix)
←
Mongolian
гана
(suffix)
←
Kalmyk
зеергне
(cognate)
←
Proto-Mongolic
*jexergene
(inherited)
←
East Yugur
jyyrgene
(cognate)