Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
freeën
←
German
freuen
(cognate)
←
Old High German
frewan
(inherited)
→
Alemannic German
freuwe
(cognate)
→
Luxembourgish
erfreeën
(affix)