Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
бууралтах
←
Buryat
бууралтаха
(cognate)
←
Mongolian
буурал
(suffix)
←
Mongolian
тах
(suffix)
←
Kalmyk
буурлтх
(cognate)