Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
glad
←
Old English
glæd
(inherited)
←
Proto-West Germanic
*glad
(inherited)
→
English
glad
(derived)
→
Yola
glaude
(inherited)