Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
prostak
←
Polish
prosty
(suffix)
←
Polish
ak
(suffix)
→
Polish
prostacki
(suffix)
→
Polish
prostaczka
(suffix)
→
Polish
prostaczek
(suffix)
→
Polish
prostactwo
(suffix)