Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
heefen
←
German
häufen
(cognate)
←
Middle High German
höufen
(inherited)
←
Middle High German
houfen
(mention)
←
Middle High German
hūfen
(mention)
←
Old High German
(inherited)
←
Old High German
(mention)
←
Old High German
hauffen
(mention)
←
Old High German
gihoufot
(mention)
←
Old High German
hūfōn
(mention)