Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
bigravan
←
Proto-Germanic
*bigrabaną
(inherited)
←
Old Saxon
bi
(prefix)
←
Old Saxon
gravan
(prefix)
→
Low German
begraven
(inherited)