Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
gedénkhan
←
Cimbrian
ge
(prefix)
←
Cimbrian
dénkhan
(prefix)
←
German
gedenken
(cognate)
←
Middle High German
gedenken
(inherited)
←
Old High German
gidenken
(inherited)