Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
blok
←
German
Block
(derived)
←
Middle High German
bloc
(derived)
←
Old High German
bloc
(derived)
→
Polish
blokowisko
(affix)