Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
гүүр
←
Buryat
гүүр
(cognate)
←
Daur
xuurugw
(cognate)
←
Mongolian
хөөрөг
(doublet)
←
Turkish
köprü
(cognate)
←
Proto-Turkic
*köprüg
(derived)
←
Proto-Mongolic
*köxerge
(inherited)
→
Mongolian
хөөрөг
(doublet)