Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
alþjóð
←
Proto-Germanic
*alaþeudō
(inherited)
←
Old Norse
alþjóð
(inherited)
→
Icelandic
alþjóðlegur
(suffix)
→
Icelandic
eins og alþjóð veit
(mention)