Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Buryat
агаар
←
Mongolian
агаар
(cognate)
←
Kalmyk
аһар
(cognate)
←
Khamnigan Mongol
агаар
(cognate)
←
Proto-Mongolic
(inherited)
→
Mongolian
агаар
(cognate)
→
Kalmyk
аһар
(cognate)