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