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