Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
eri
←
Old English
earg
(derived)
←
Middle English
argh
(doublet)
←
Proto-Germanic
*argaz
(derived)
→
English
eerie
(inherited)