Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
aritmetiko
←
Ancient Greek
ἀριθμητική
(derived)
←
Latin
arithmētica
(derived)
→
Esperanto
aritmetikilo
(affix)