Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
-āðara
→
English
edder
(cognate)
→
Old English
ædre
(cognate)
→
Middle English
edre
(mention)
→
German Low German
Åder
(inherited)