Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
полъ
→
Russian
пол
(inherited)
→
Russian
пол
(derived)
→
Russian
полу-
(inherited)
→
Russian
половой
(derived)