Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
saccus
←
English
sac
(doublet)
←
Ancient Greek
σᾰ́κκος
(derived)
←
Latin
saccus
(unadapted borrowing)