As nouns the difference between decolorization and decolonization
is that decolorization is the removal of color from something; bleaching while decolonization is the freeing of a colony etc from dependent status by granting it independence.
decolorization
English
Noun
the removal of color from something; bleaching
decolonization
Noun
(
en noun)
the freeing of a colony etc from dependent status by granting it independence
Related terms
* decolonize