Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
bergab
←
German
Berg
(compound)
←
German
ab
(compound)
←
Luxembourgish
biergof
(cognate)
→
Luxembourgish
biergof
(cognate)