Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
-на
←
Mongolian
-р
(link)
←
Mongolian
-аа
(link)
←
Mongolian
-гш
(link)
←
Mongolian
-уур
(link)
←
Proto-Mongolic
*-a
(inherited)
→
Mongolian
-аа
(link)
→
Mongolian
-уур
(link)