Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
gaine
←
Old English
ġeġn
(inherited)
←
Old Norse
gegn
(borrowed)
←
Old Norse
gegna
(borrowed)
→
Middle English
gain
(alter)
→
Middle English
gayn
(alter)