Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
przyjaźń
←
Proto-Slavic
*prijaznь
(inherited)
→
Polish
przyjazny
(suffix)
→
Polish
przyjaźnić
(suffix)