Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
kategorio
←
German
Kategorie
(derived)
←
English
category
(derived)
←
Esperanto
kategorio
(derived)
←
Spanish
categoría
(derived)
←
French
catégorie
(derived)
←
Italian
categoria
(derived)
←
Portuguese
categoria
(derived)
←
Russian
катего́рия
(derived)
→
Ido
kategoriizar
(suffix)