Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
sláa
←
Proto-Germanic
*slahaną
(inherited)
←
Proto-Indo-European
*slak-
(derived)
←
Old Norse
slá
(inherited)