Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hunsrik
awer
←
Proto-Germanic
*afar
(inherited)
←
Proto-Germanic
*abar
(mention)
←
Proto-Germanic
*abur
(mention)
←
Old High German
avur
(inherited)
←
Proto-Indo-European
*apo-
(derived)
→
Pennsylvania German
awwer
(cognate)