Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*serþaną
→
English
sard
(derived)
→
Icelandic
serða
(inherited)
→
Icelandic
serða
(inherited(is/non))