Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
ruthenicus
←
Latin
Rūthēnī
(affix)
←
Latin
-icus
(affix)
←
Old East Slavic
роуси́нъ
(derived)