Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
achtzante
←
Cimbrian
achtzane
(suffix)
←
Cimbrian
te
(suffix)
←
German
achtzehnte
(cognate)
←
English
eighteenth
(cognate)