Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
swer
←
Old English
swǣr
(inherited)
←
Old English
swār
(mention)
←
Middle English
sure
(mention)
→
English
swear
(mention)
→
Middle English
swere
(alter)