Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
phluog
→
German
Pflug
(mention)
→
Central Franconian
Plooch
(mention)
→
Luxembourgish
Plou
(mention)