disorganisation vs disarrangement

disorganisation and disarrangement both are nouns.

Word	Noun	Adjective	Verb	Adverb
disorganisation	Yes	No	No	No
disarrangement	Yes	No	No	No

As nouns, disorganisation and disarrangement are synonyms defined as:

disorganisation and disarrangement: a condition in which an orderly system has been disrupted

Other synonyms of disorganisation include disorganization.

disorganisation (noun)	disarrangement (noun)
the disturbance of a systematic arrangement causing disorder and confusion	a condition in which an orderly system has been disrupted
a condition in which an orderly system has been disrupted