Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
rekaviður
←
Faroese
reki
(compound)
←
Faroese
viður
(compound)
←
Old Norse
-
(cognate)