Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
eogihwethar
←
Old Saxon
ēo-
(affix)
←
Old Saxon
gihwethar
(affix)
→
English
either
(mention)
→
Old English
æghwæþer
(cognate)