Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Böije
←
German
Bö
(cognate)
←
German Low German
Bö
(cognate)
←
Dutch
bui
(derived)