Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
berg
←
Proto-West Germanic
*berg
(inherited)
←
Proto-Indo-European
*bʰerǵʰ-
(root)
→
Old English
beorg
(cognate)
→
German Low German
Barg
(inherited)
→
German Low German
Bärg
(inherited)
→
Old Saxon
giberg
(prefix)
→
Old Saxon
gibirgi
(confix)