Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Grouf
←
German
Grube
(cognate)
←
English
groove
(cognate)
←
Proto-Germanic
*grōbō
(inherited)
←
Middle High German
gruobe
(inherited)
←
Middle High German
gruoba
(inherited)
←
Dutch
groeve
(cognate)