Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
zouspriechen
←
Old High German
zuosprehhan
(inherited)
←
Luxembourgish
zou-
(affix)
←
Luxembourgish
spriechen
(affix)