Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
halter
←
Old English
hælftre
(inherited)
←
Old English
hælfter
(mention)
←
Proto-West Germanic
*halftrijā
(derived)
→
English
halter
(inherited)