Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
грудень
←
Bulgarian
груден
(cognate)
←
Old East Slavic
грудьнъ
(inherited)
←
Polish
grudzień
(cognate)
←
Russian
гру́да
(link)