Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Hëllef
←
German
Hülfe
(cognate)
←
German
Hilfe
(cognate)
←
English
help
(mention)
←
Middle High German
hülfe
(inherited)
←
Old High German
(inherited)
←
Old High German
hulpa
(mention)
←
Old High German
helfa
(mention)
←
Old High German
hilfa
(mention)
←
Dutch
hulp
(cognate)
→
Luxembourgish
Hëllefsverb
(affix)
→
Luxembourgish
Nohëllef
(compound)