Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
reyður
←
Old Norse
reyðr
(inherited)
→
Icelandic
langreyður
(affix)
→
Icelandic
hrafnreyður
(compound)