Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
achtzane
←
German
achtzehn
(cognate)
←
English
eighteen
(cognate)
←
Proto-Germanic
*ahtōutehun
(inherited)
←
Middle High German
ahzehen
(inherited)
←
Old High German
ahtozehan
(inherited)
→
Cimbrian
achtzante
(suffix)