Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
эр
←
Turkish
er
(cognate)
←
Proto-Turkic
*ēr
(derived)
←
Proto-Mongolic
*ere
(inherited)
→
Tuvan
эрес
(cognate)