Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Vier
←
Middle High German
vier
(inherited)
←
Old High German
fior
(inherited)
→
German
Vierfürst
(compound)
→
German
Vierflächner
(affix)