Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
thū
→
Old English
þu
(cognate)
→
Middle Dutch
du
(inherited)
→
Limburgish
doe
(inherited)
→
Dutch
du
(inherited)