Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
suðrœnn
←
Proto-Germanic
*sunþrōnijaz
(inherited)
←
Old Norse
suðr
(suffix)
←
Old Norse
œnn
(suffix)