Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
frí
←
Proto-Germanic
*frijōną
(inherited)
←
Old Norse
frjá
(inherited)
→
Icelandic
frímúrari
(affix)
→
Icelandic
fríspark
(affix)