Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
hwervan
←
Proto-West Germanic
*hwerban
(inherited)
→
Old English
hweorfan
(cognate)
→
Old Saxon
bihwervan
(prefix)
→
Old Saxon
gihwervan
(prefix)
→
Old Saxon
umbihwervan
(prefix)