Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
kaldur
←
Proto-Germanic
*kaldaz
(derived)
←
Proto-Indo-European
*gel-
(root)
←
Proto-Indo-European
*gel-
(derived)
←
Old Norse
kaldr
(derived)
→
Faroese
ísakaldur
(compound)