Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
ísur
←
Proto-Germanic
*īsą
(inherited)
←
Proto-Indo-European
*h₁eyH-
(derived)
←
Old Norse
íss
(inherited)
→
Faroese
Ísland
(compound)
→
Faroese
ísakaldur
(compound)
→
Faroese
ísfjall
(compound)
→
Faroese
ísa
(mention)