Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
bergan
←
Proto-West Germanic
*bergan
(inherited)
←
Proto-Indo-European
*bʰergʰ-
(root)
→
Low German
bargen
(inherited)
→
Old Saxon
gibergan
(prefix)