Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
afganga
←
Proto-Indo-European
*ǵʰengʰ-
(root)
←
Old Norse
af
(prefix)
←
Old Norse
ganga
(prefix)
→
Old Norse
afgǫngudagr
(compound)