Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
æxli
←
Old Norse
œxl
(derived)
→
Icelandic
æxlafræði
(suffix)
→
Icelandic
sortuæxli
(prefix)