Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Araxes
←
English
Araks
(doublet)
←
Ancient Greek
Ἀράξης
(derived)
→
English
Araks
(doublet)