Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
faeder
←
Old English
fæder
(learned borrowing)
←
English
ayr
(doublet)
←
Proto-Indo-European
*peh₂-
(root)
→
English
ayr
(doublet)