Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
aðal
←
Proto-Germanic
*aþalą
(derived)
←
Old Norse
aðal
(derived)
→
Faroese
aðalfundur
(compound)
→
Faroese
aðalhugtak
(prefix)
→
Faroese
aðalspurningur
(prefix)