diffusion vs dispersal

diffusion and dispersal both are nouns.

Word	Noun	Adjective	Verb	Adverb
diffusion	Yes	No	No	No
dispersal	Yes	No	No	No

As nouns, diffusion and dispersal are synonyms defined as:

Other synonyms of diffusion include dispersion, dissemination.

diffusion (noun)	dispersal (noun)
the act of dispersing or diffusing something	the act of dispersing or diffusing something
the property of being diffused or dispersed
the spread of social institutions (and myths and skills) from one society to another
(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration