Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
двоякий
←
Old East Slavic
двоꙗкыи
(inherited)
←
Proto-Slavic
*dvojakъ
(inherited)
←
Proto-Slavic
*dvojь
(affix)
←
Proto-Slavic
*-akъ
(affix)