Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
пупок
←
Russian
пуп
(affix)
←
Russian
-о́к
(affix)
←
Proto-Slavic
*pǫpъkъ
(inherited)