Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*fastinōn
→
English
fasten
(inherited)
→
Old English
fæstnian
(inherited)
→
Old Saxon
fastnon
(inherited)