Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
radość
←
Polish
rad
(suffix)
←
Polish
ość
(suffix)
←
Proto-Slavic
*radostь
(inherited)
→
Polish
radocha
(affix)