Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
gläichen
←
Proto-Germanic
*galīkōną
(inherited)
←
Old High German
gilīhhon
(inherited)
←
Luxembourgish
vergläichen
(link)
→
Luxembourgish
vergläichen
(affix)