Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
rengen
←
Proto-Germanic
*regnōną
(inherited)
←
Middle High German
regenen
(inherited)
←
Old High German
reganōn
(inherited)