disorganization vs disorganisation

disorganization and disorganisation both are nouns.

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

As nouns, disorganization and disorganisation are synonyms defined as:

disorganization and disorganisation: the disturbance of a systematic arrangement causing disorder and confusion

As nouns, disorganization and disorganisation are synonyms defined as:

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

Other synonyms of disorganization include disarrangement.

disorganization (noun)	disorganisation (noun)
the disturbance of a systematic arrangement causing disorder and confusion	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