Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
helpan
←
Proto-Germanic
*helpaną
(inherited)
←
Proto-West Germanic
*helpan
(inherited)
→
Afrikaans
help
(inherited)
→
Middle Dutch
helpen
(inherited)
→
Dutch
helpen
(inherited)