Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Heiligtum
←
German
heilig
(affix)
←
German
-tum
(affix)
←
Middle High German
(inherited)
←
Old High German
(inherited)
→
English
halidom
(cognate)