Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
klavo
←
Esperanto
klavo
(derived)
←
Spanish
clave
(derived)
←
Ido
klefo
(mention)
←
Italian
chiave
(derived)
←
Latin
clavis
(derived)
→
Ido
klavaro
(affix)
→
Ido
klefo
(mention)
→
Ido
klavagar
(affix)