Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
richa
←
German
reich
(derived)
←
English
rich
(derived)
←
Esperanto
riĉa
(derived)
←
Spanish
rico
(derived)
←
French
riche
(derived)
←
Proto-Germanic
*rīkijaz
(derived)
←
Italian
ricco
(derived)
→
Ido
richigar
(suffix)
→
Ido
richeskar
(suffix)
→
Ido
richega
(suffix)
→
Ido
richeso
(suffix)
→
Ido
desricha
(prefix)
→
Ido
richajo
(suffix)