Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
gala
←
Proto-Indo-European
*gʰel-
(root)
←
Old Norse
gala
(derived)
→
Faroese
galin
(cognate)