Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Slavic
*němьčьskъ
→
Old Church Slavonic
нѣмьчьскъ
(derived)
→
Polish
niemiecki
(inherited)
→
Silesian
mjymjecki
(inherited)