Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
swōt
→
Middle English
soot
(inherited)
→
Middle English
swete
(mention)
→
Middle English
swoote
(derived)
→
Middle English
soote
(inherited)