Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
ënnersträichen
←
German
unterstreichen
(calque)
←
Luxembourgish
ënner
(prefix)
←
Luxembourgish
sträichen
(prefix)