Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
ze
←
German
sie
(cognate)
←
West Frisian
sy
(cognate)
←
Proto-West Germanic
*sī
(inherited)