Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
nulo
←
German
null
(borrowed)
←
Latin
nullus
(derived)
←
Russian
нуль
(borrowed)
→
Esperanto
nul
(back-formation)
→
Esperanto
nula
(affix)