Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
per
←
Old English
pere
(inherited)
←
Old English
peru
(mention)
←
Old French
per
(borrowed)
→
English
peer
(mention)
→
Middle English
pere
(alter)
→
Middle English
pere
(alter)
→
Middle English
pere
(alter)