Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
gagn
←
Proto-Germanic
*gaganą
(mention)
←
Proto-Germanic
*gagana
(mention)
←
Proto-Germanic
*ga-
(mention)