Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
том
←
Buryat
томо
(cognate)
←
Classical Mongolian
-
(cognate)
←
Kalmyk
том
(cognate)
→
Mongolian
томсох
(suffix)