Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*wallan
→
German
wallen
(inherited)
→
German
wallen
(inherited)
→
Middle Dutch
wallen
(inherited)
→
Luxembourgish
Well
(inherited)
→
Old Dutch
wallan
(inherited)