Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
ríkur
←
Proto-Celtic
*rīxs
(derived)
←
Proto-Germanic
*rīkijaz
(derived)
←
Proto-Germanic
*rīks
(mention)
←
Proto-Indo-European
*h₃rḗǵs
(derived)
←
Proto-Indo-European
*h₃reǵ-
(derived)
←
Old Norse
ríkr
(derived)
→
Faroese
armur
(link)