Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
ech
←
Old English
ǣlċ
(inherited)
←
Old English
ǣġhwylċ
(mention)
←
Middle English
ewilch
(mention)
←
Middle English
which
(mention)
←
Middle English
swich
(mention)
→
Middle English
ewilch
(mention)