Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
muszla
←
German
Muschel
(borrowed)
←
Old High German
muscula
(derived)
←
Latin
mūsculus
(derived)
→
Polish
muszelka
(suffix)