Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
unruhig
←
German
un-
(affix)
←
German
ruhig
(affix)
←
Hunsrik
unruhich
(cognate)
→
German
beunruhigen
(affix)