Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
Русия
←
Old Church Slavonic
Рꙋсиа
(mention)
←
Greek
Ρωσία
(cognate)
←
Ancient Greek
Ῥῶς
(mention)
←
Old East Slavic
Русь
(cognate)