Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
plegan
←
Proto-West Germanic
*plehan
(inherited)
→
English
pledge
(cognate)
→
Middle Dutch
plegen
(cognate)
→
Dutch
plegen
(cognate)