Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
ēth
→
Old High German
eid
(cognate)
→
German Low German
Eed
(inherited)
→
Old Norse
eiðr
(cognate)