Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*hrūgǭ
→
Finnish
ruuhka
(derived)
→
Faroese
rúgva
(inherited)
→
Icelandic
hrúga
(inherited)