Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
mægden
←
Proto-West Germanic
*magadīn
(inherited)
→
English
maid
(derived)
→
English
Maidstone
(compound)
→
Old English
mægþ
(link)
→
Scottish Gaelic
Maighdeann
(derived)