Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
warþe
←
Old English
waroþ
(inherited)
←
Proto-Germanic
*waruþaz
(inherited)
←
Proto-Germanic
*waruþą
(mention)