Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
eorþ
→
English
Arbury
(derived)
→
Old English
eorþhnutu
(compound)
→
Old English
eorþberge
(compound)