Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
ögnar
←
Proto-Germanic
*unkeraz
(inherited)
←
Proto-West Germanic
*unkar
(inherited)
←
Icelandic
okkar
(cognate)