breakup vs dissolution

breakup and dissolution both are nouns.

Word	Noun	Adjective	Verb	Adverb
breakup	Yes	No	No	No
dissolution	Yes	No	No	No

As nouns, breakup and dissolution are synonyms defined as:

breakup and dissolution: the termination or disintegration of a relationship (between persons or nations)

breakup (noun)	dissolution (noun)
the termination or disintegration of a relationship (between persons or nations)	the termination or disintegration of a relationship (between persons or nations)
coming apart	the termination of a meeting
	dissolute indulgence in sensual pleasure
	separation into component parts
	the process of going into solution