disintegration vs dissolution

disintegration and dissolution both are nouns.

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

As nouns, disintegration and dissolution are synonyms defined as:

disintegration (noun)	dissolution (noun)
total destruction	the termination or disintegration of a relationship (between persons or nations)
separation into component parts	the termination of a meeting
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation	dissolute indulgence in sensual pleasure
in a decomposed state	separation into component parts
a loss (or serious disruption) of organization in some system	the process of going into solution