Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
servar
←
German
servieren
(derived)
←
English
serve
(derived)
←
Esperanto
servi
(derived)
←
Spanish
servir
(derived)
←
French
servir
(derived)
←
Italian
servire
(derived)
←
Latin
servīre
(derived)
←
Latin
serviō
(mention)