Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*ammǭ
→
Faroese
omma
(derived)
→
Old Norse
amma
(inherited(non/goh))
→
Old Norse
amma
(inherited)