Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Kaisertum
←
German
Kaiser
(suffix)
←
German
tum
(suffix)
←
Middle High German
keisertuom
(inherited)
←
Old High German
cheisertuom
(inherited)