Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
arbatar
←
Cimbrian
arbatan
(suffix)
←
Cimbrian
ar
(suffix)
←
German
Arbeiter
(cognate)
←
Middle High German
arbeiter
(inherited)