Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Mongolic
*mede-
→
Mongolian
мэдэх
(inherited)
→
Mongolian
мэдэ̄
(inherited(mn/gld))
→
Dongxiang
mejie
(inherited)
→
Tuvan
медерел
(derived)
→
Tuvan
медээ
(derived)
→
Kalmyk
медх
(inherited)