Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Octeabriscoe
←
Russian
Октябрьское
(borrowed)
←
Russian
октябрь
(affix)
←
Russian
-ское
(affix)