Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kalmyk
би
←
Buryat
би
(cognate)
←
Mongolian
би
(cognate)
←
Proto-Mongolic
*bi
(inherited)
←
Written Oirat
ᡋᡅ
(inherited)
→
Mongolian
би
(cognate)
→
Kalmyk
-в
(link)