Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
weer
←
Old English
wǣre
(inherited)
←
Old English
wesan
(mention)
←
Old English
werre
(inherited)
←
Old English
wyrre
(mention)
→
Middle English
were
(alter)
→
Middle English
werre
(alter)