Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Ëmgang
←
German
Umgang
(cognate)
←
English
umgang
(cognate)
←
Proto-Germanic
*umbigangaz
(inherited)
←
Old High German
umbigang
(inherited)
←
Dutch
omgang
(cognate)
→
Luxembourgish
Ëmgangssprooch
(affix)