Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
-skur
←
Proto-Germanic
*-iskaz
(inherited)
←
Proto-Indo-European
*-iskos
(inherited)
←
Old Norse
-iskr
(inherited)
←
Old Norse
-skr
(mention)
→
Faroese
-sk
(mention)
→
Faroese
finskur
(affix)