Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Plautdietsch
Kuss
←
Middle Low German
kus
(inherited)
←
Proto-West Germanic
*koss
(inherited)
←
Old Saxon
kuss
(inherited)