Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Päerd
←
German
Pferd
(cognate)
←
Middle High German
phert
(inherited)
←
Old High German
pfarifrit
(inherited)
→
Transylvanian Saxon
Faard
(cognate)
→
Luxembourgish
Séipäerdchen
(affix)