Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
mengi
←
Old Norse
mengi
(derived)
→
Icelandic
mengjafræði
(suffix)
→
Icelandic
erfðamengi
(affix)