Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Aargau
←
German
Aare
(compound)
←
German
Gau
(compound)
←
Old High German
Aaregau
(inherited)
→
German
aargauisch
(suffix)
→
German
Aargauer
(suffix)