Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Interlingua
esser
←
Spanish
ser
(derived)
←
French
être
(derived)
←
Italian
essere
(derived)
←
Latin
sum
(derived)
←
Portuguese
ser
(derived)