Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hrjósa
←
Proto-Germanic
*hreusaną
(derived)
←
Old Norse
hrjósa
(derived)
→
Icelandic
hrjóta
(mention)
→
Icelandic
hrollur
(mention)