Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
kruco
←
German
Kreuz
(derived)
←
English
cross
(derived)
←
Esperanto
kruco
(derived)
←
Spanish
cruz
(derived)
←
French
croix
(derived)
←
Italian
croce
(derived)
←
Latin
crux
(derived)
←
Portuguese
cruz
(derived)
→
Ido
krucumo
(suffix)
→
Ido
krucomilitanto
(compound)
→
Ido
krucosignizar
(compound)
→
Ido
krucosigno
(compound)
→
Ido
krucumar
(suffix)
→
Ido
krucagar
(affix)
→
Ido
krucago
(affix)