Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
æ
←
Old English
ēa
(inherited)
←
Old English
ǣ
(mention)
→
English
ea
(mention)
→
English
a
(mention)
→
English
a
(mention)
→
Old English
æ
(link)