Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Plautdietsch
Sind
←
Proto-Germanic
*sundī
(inherited)
←
Middle Low German
sunde
(inherited)
←
German Low German
Sünn
(cognate)
←
Old Saxon
sundia
(inherited)