Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Italian
fecale
→
Esperanto
feko
(derived)
→
Ido
feko
(borrowed)
→
Italian
feci
(link)
→
Italian
fecaloide
(suffix)