Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
kultelo
←
Spanish
cuchillo
(borrowed)
←
Italian
coltello
(borrowed)
←
Latin
cultellus
(derived)
→
Ido
kulteleto
(suffix)