Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*blik
→
Danish
blik
(derived)
→
German
Blech
(inherited)
→
German
blicken
(inherited)
→
Polish
blacha
(derived)