Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
queesch
←
Old English
þweores
(cognate)
←
German
quer
(cognate)
←
Middle High German
twerhes
(cognate)
←
Old High German
(inherited)
←
Old High German
dwerah
(mention)
←
Dutch
dwars
(cognate)