Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*þrasduz
→
Faroese
trøstur
(derived)
→
Norwegian Bokmål
trost
(derived)
→
Norwegian Nynorsk
trost
(derived)