Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
nachgehen
←
German
nach
(prefix)
←
German
gehen
(prefix)
←
Hunsrik
nohgehn
(cognate)
→
Cimbrian
ghéenan naach
(cognate)