Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
norrœna
←
Proto-Germanic
*nurþrōnijaz
(derived)
←
Old Norse
norrœnn
(mention)
←
Old Norse
norðrœnn
(mention)