Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
óhreinn
←
Proto-Germanic
*unhrainiz
(inherited)
←
Icelandic
ó-
(affix)
←
Icelandic
hreinn
(affix)
←
Old Norse
óhreinn
(inherited)
→
Icelandic
hreinn
(link)