Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
declaro
←
Latin
dē-
(affix)
←
Latin
clārō
(affix)
→
Norman
dêcliather
(derived)
→
Romanian
declara
(derived)