Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
oscuridad
←
Latin
obscūritās
(derived)
←
Latin
obscūrus
(mention)
←
Old Spanish
escuridat
(inherited)
←
Old Spanish
oscuridat
(mention)