Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
pollux
←
English
castor
(mention)
←
Ancient Greek
Πολυδεύκης
(borrowed)
→
English
castor
(mention)
→
English
polluxite
(mention)