Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
riki
←
Proto-Germanic
*rīkiją
(inherited)
←
Proto-Germanic
*rīkijaz
(inherited)
←
Proto-West Germanic
*rīkī
(inherited)
←
Proto-West Germanic
*rīkī
(inherited)