Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
kosti
←
German
costen
(derived)
←
English
cost
(derived)
←
Italian
costare
(derived)
→
Esperanto
kosto
(mention)