Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kalmyk
келн
←
Buryat
хэлэн
(cognate)
←
Mongolian
хэл
(cognate)
←
Proto-Mongolic
*kelen
(inherited)
←
Written Oirat
ᡍᡄᠯᡄᠨ
(inherited)
→
Buryat
хэлэн
(cognate)
→
Mongolian
хэл
(cognate)