Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
хахууль
←
Buryat
хахуули
(cognate)
←
Mongolian
хахуул
(doublet)
←
Mongolian
(suffix)
←
Mongolian
-ууль
(suffix)