Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
angenehm
←
Old High German
nami
(derived)
→
German
unangenehm
(prefix)
→
Pennsylvania German
aagenehm
(cognate)