Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
kaustyczny
←
French
caustique
(borrowed)
←
Ancient Greek
καυστικός
(derived)
←
Latin
causticus
(derived)
←
Polish
(suffix)
←
Polish
ny
(suffix)