Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hunsrik
Raum
←
Proto-Germanic
*rūmą
(inherited)
←
Proto-West Germanic
*rūm
(inherited)
←
Old High German
rūm
(inherited)