Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
under
→
Afrikaans
onder
(inherited)
→
Dutch
onder
(inherited)
→
Old Dutch
underthringan
(prefix)
→
Old Dutch
underwindan
(prefix)