Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
tún
←
Gaulish
*dunum
(derived)
←
Gaulish
*dūnom
(mention)
←
Proto-Celtic
*dūnom
(derived)
←
Proto-Germanic
*tūną
(inherited)
←
Proto-Indo-European
*dʰewh₂-
(derived)
←
Old Norse
tún
(inherited)
→
Faroese
hátún
(compound)