Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
of-
←
Old Norse
of-
(inherited)
→
Icelandic
offita
(affix)
→
Icelandic
ofbirta
(affix)
→
Icelandic
ofnæmi
(affix)