Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
siekać
←
Proto-Slavic
*sěkati
(derived)
←
Proto-Slavic
*sěťi
(mention)
←
Old Polish
siekać
(inherited)
→
Polish
siekacz
(suffix)
→
Polish
posiekać
(prefix)