Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Limburgish
vaam
←
Proto-Germanic
*faþmaz
(inherited)
←
Proto-West Germanic
*faþm
(inherited)
←
Limburgish
vadem
(doublet)