Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*faþm
→
Central Franconian
Faddem
(inherited)
→
Luxembourgish
Fuedem
(inherited)
→
Limburgish
vaam
(inherited)
→
German Low German
Faam
(inherited)