Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
obra
←
Spanish
obrar
(mention)
←
Spanish
obra
(mention)
←
Spanish
ópera
(doublet)
←
Spanish
en las obras
(link)
←
Spanish
huebra
(link)
←
Spanish
maniobra
(link)
←
Spanish
obrador
(link)
←
Spanish
obrar
(link)
←
Spanish
obrero
(link)
←
Spanish
ópera
(link)
←
Latin
opera
(inherited)
←
Latin
opus
(mention)
←
Old Spanish
huebra
(mention)
→
Spanish
obra
(mention)
→
Spanish
ópera
(doublet)
→
Spanish
obrero
(suffix)
→
Spanish
maniobrar
(mention)
→
Spanish
huebra
(mention)
→
Spanish
obrita
(affix)
→
Karao
obda
(borrowed)
→
Papiamentu
obra
(derived)