Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
which
←
Old English
hwelċ
(inherited)
←
Proto-Germanic
*hwilīkaz
(inherited)
→
English
which
(inherited)
→
Middle English
ech
(mention)
→
Scots
whilk
(mention)
→
Yola
wich
(inherited)