Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
pons
←
English
Pontus
(doublet)
←
Latin
pōns
(borrowed)
→
English
Pontus
(doublet)
→
English
hemipons
(prefix)