Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
retten
←
Danish
redde
(cognate)
←
German
retten
(cognate)
←
English
redd
(cognate)
←
Proto-Germanic
*hradjaną
(inherited)
←
Middle High German
retten
(inherited)
←
Proto-West Germanic
*hraddjan
(inherited)
←
Old High German
retten
(inherited)
←
Dutch
redden
(cognate)