dispersion vs disperse

dispersion is a noun but disperse is not a noun.

Word	Noun	Adjective	Verb	Adverb
dispersion	Yes	No	No	No
disperse	No	No	Yes	No

dispersion (noun)	disperse (noun)
the act of dispersing or diffusing something
the spatial or geographic property of being scattered about over a range, area, or volume
spreading widely or driving off

dispersion (verb)	disperse (verb)
	cause to separate
	cause to become widely known
	distribute loosely
	separate (light) into spectral rays
	move away from each other
	to cause to separate and go in different directions