Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
raumen
←
German
räumen
(cognate)
←
English
ream
(cognate)
←
Proto-Germanic
*rūmijaną
(inherited)
←
Middle High German
rūmen
(inherited)
←
Old High German
rūmen
(inherited)
←
Dutch
ruimen
(cognate)
←
Swedish
rymma
(cognate)