dissolve vs break up

dissolve is a noun but break up is not a noun.

Word	Noun	Adjective	Verb	Adverb
dissolve	Yes	No	Yes	No
break up	No	No	Yes	No

As verbs, dissolve and break up are synonyms defined as:

Other synonyms of dissolve include resolve.

As verbs, dissolve and break up are synonyms defined as:

As verbs, dissolve and break up are synonyms defined as:

dissolve and break up: bring the association of to an end or cause to break up

As verbs, break up is a hypernym of dissolve; that is, break up is a word with a broader meaning than dissolve:

dissolve (noun)	break up (noun)
(film) a gradual transition from one scene to the next; the next scene is gradually superimposed as the former scene fades out

dissolve (verb)	break up (verb)
pass into a solution	laugh unrestrainedly
cause to go into a solution	break or cause to break into pieces
come to an end	come to an end
grow less and less substantial until it disappears	separate (substances) into constituent elements or parts
become or cause to become soft or liquid	cause to go into a solution
bring the association of to an end or cause to break up	cause to separate
declare void	close at the end of a session
cause to fade away	bring the association of to an end or cause to break up
lose control emotionally	make a break in
cause to lose control emotionally	set or keep apart
stop functioning or cohering as a unit	break violently or noisily; smash
	attack with or as if with a pickaxe of ice or rocky ground, for example
	release ice
	destroy the completeness of a set of related items
	take apart into its constituent pieces
	suffer a nervous breakdown
	disband
	to cause to separate and go in different directions
	discontinue an association or relation; go different ways