Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
komerco
←
English
commerce
(derived)
←
French
commerce
(derived)
←
Italian
commercio
(derived)
←
Latin
commercium
(derived)
←
Russian
коммерция
(derived)
→
Esperanto
komerci
(affix)
→
Esperanto
fikomercisto
(affix)
→
Esperanto
komerca
(suffix)
→
Esperanto
komercado
(suffix)
→
Ido
komerco
(derived)