Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Russian
паук
←
Old East Slavic
паукъ
(inherited)
←
Proto-Slavic
*paǫkъ
(inherited)
→
Russian
паучий
(affix)