Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
saksur
←
Proto-Germanic
*sahsą
(inherited)
←
Proto-Indo-European
*sek-
(root)
←
Proto-Indo-European
*sek-
(derived)
←
Old Norse
sax
(inherited)