Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
bürgen
←
German
Bürge
(suffix)
←
German
en
(suffix)
→
German
verbürgen
(prefix)
→
Luxembourgish
biergen
(cognate)