Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
liuhtian
←
Proto-West Germanic
*liuhtijan
(inherited)
←
Old Saxon
lioht
(mention)
→
Old Saxon
giliuhtian
(prefix)
→
Polabian
löxtår
(derived)