Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scanian
maðk
←
Proto-Germanic
*maþukaz
(inherited)
←
Proto-Germanic
*maþô
(mention)
←
Old Norse
maðkr
(inherited)