Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
illur
←
Old Norse
illr
(inherited)
→
Faroese
illa
(mention)
→
Faroese
ilt
(mention)
→
Faroese
illbøn
(compound)