Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Norse
*ᚨᛁᚦᚨᛉ
→
Proto-Norse
ᚨᛁᚦᚨᛚᚨᛏᚨᛉ
(compound)
→
Old Norse
eiðr
(inherited)