Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Central Franconian
könne
←
Middle High German
kunnen
(inherited)
←
Proto-West Germanic
*kunnan
(inherited)
←
Old High German
kunnan
(inherited)
→
Central Franconian
kenne
(alter)