disperse vs dot

disperse is not a noun while dot is a noun.

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

As verbs, disperse and dot are synonyms defined as:

Other synonyms of disperse include dust, scatter, sprinkle.

disperse (noun)	dot (noun)
	street name for lysergic acid diethylamide
	the shorter of the two telegraphic signals used in Morse code
	a very small circular shape

disperse (verb)	dot (verb)
cause to separate	mark with a dot
cause to become widely known	make a dot or dots
distribute loosely	distribute loosely
separate (light) into spectral rays	scatter or intersperse like dots or studs
move away from each other
to cause to separate and go in different directions