Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
piroșcă
←
Polish
pieróg
(cognate)
←
Russian
пирожки
(borrowed)
←
Russian
пирожок
(mention)
←
Russian
пирог
(mention)
←
Proto-Slavic
*pirogъ
(derived)
←
Ukrainian
пиріг
(cognate)
→
Romanian
Piroșcă
(mention)