Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
wahta
→
German
Wacht
(inherited)
→
Old High German
wahtari
(suffix)
→
Luxembourgish
Wuecht
(inherited)
→
Polish
wachta
(mention)