Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
sik
←
German
sich
(cognate)
←
Proto-West Germanic
*sik
(inherited)
←
Dutch
zich
(cognate)
←
Old Frisian
sik
(inherited)