Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
húð
←
Proto-Germanic
*hūdiz
(inherited)
←
Proto-Indo-European
*kuHtis
(inherited)
←
Old Norse
húð
(inherited)
→
Faroese
forhúð
(prefix)
→
Faroese
húðlækni
(compound)