Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
healm
←
Old English
helm
(inherited)
←
Old English
healm
(inherited)
→
Middle English
halm
(alter)
→
Middle English
helm
(alter)