Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Low German
se
←
Proto-Germanic
*hiz
(inherited)
←
Proto-Germanic
*sa
(inherited)
←
Old Saxon
sia
(inherited)
←
Old Saxon
siu
(inherited)