Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Central Franconian
bedde
←
German
beten
(cognate)
←
German
bitten
(cognate)
←
Old High German
bedōn
(inherited)
←
Old High German
betōn
(mention)
→
Luxembourgish
bieden
(mention)