Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
Negreia
←
Romanian
Negrei
(affix)
←
Romanian
-a
(affix)
←
Romanian
Negru
(affix)
←
Romanian
-ei
(affix)
←
Romanian
negru
(mention)