Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
geron
←
Proto-Germanic
*gerōną
(inherited)
←
Proto-Germanic
*gernaz
(mention)
←
Proto-West Germanic
*gerēn
(inherited)