Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
błazen
←
Proto-Slavic
*blaznъ
(inherited)
→
Polish
błazenada
(suffix)
→
Polish
błazeństwo
(suffix)
→
Polish
błaznować
(suffix)