Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
frørinn
←
Proto-Germanic
*fruzanaz
(inherited)
←
Proto-Germanic
*freusaną
(mention)
→
Icelandic
freðinn
(derived)
→
Old Norse
-inn
(link)