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