Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
geð
←
Proto-Germanic
*gadją
(inherited)
←
Old Norse
geð
(inherited)
→
Icelandic
geðlæknir
(affix)
→
Icelandic
geðshræring
(compound)
→
Icelandic
geðveikur
(compound)