Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
онол
←
Buryat
онол
(cognate)
←
Mongolian
онох
(suffix)
←
Mongolian
л
(suffix)
←
Kalmyk
онл
(cognate)