Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hunsrik
Monat
←
Middle High German
mānōt
(inherited)
←
Proto-West Germanic
*mānōþ
(inherited)
←
Old High German
mānōd
(inherited)
→
Hunsrik
monatlich
(suffix)