As nouns the difference between negrification and negrofication
is that negrification is negroization while negrofication is the process of negrofying.
negrofication
English
Noun
(-)
The process of negrofying.
References
* Google Books: [https://www.google.co.uk/search?tbs=bks%3A1&tbo=1&q=%22negrofication%22&btnG=Search+Books&gws_rd=ssl]