Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
hearpe
←
Proto-Germanic
*harpǭ
(inherited)
→
English
harp
(inherited)
→
English
Harpham
(derived)
→
Old English
hearpere
(mention)