Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Arschbacke
←
German
Arsch
(compound)
←
German
Backe
(compound)
→
Hunsrik
Aarschback
(cognate)