Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
ойкумена
←
Ancient Greek
οἰκουμένη
(borrowed)
←
Russian
экумени́зм
(mention)
←
Russian
экумени́ческий
(mention)