Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*marěna
→
Czech
mořena
(inherited)
→
Polish
marzana
(inherited)
→
Russian
марена
(inherited)
→
Slovak
marena
(inherited)