Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Knospe
←
Hunsrik
Knosb
(cognate)
←
Luxembourgish
Knosp
(cognate)
→
German
knospen
(suffix)