Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
obscurity
←
English
obscure
(affix)
←
English
-ity
(affix)
←
Middle French
obscurité
(borrowed)
←
Latin
obscūritās
(derived)
→
English
semiobscurity
(prefix)
→
English
nonobscurity
(prefix)