depersonalization disorder vs depersonalisation disorder

depersonalization disorder and depersonalisation disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
depersonalization disorder	Yes	No	No	No
depersonalisation disorder	Yes	No	No	No

As nouns, depersonalization disorder and depersonalisation disorder are synonyms defined as:

depersonalization disorder and depersonalisation disorder: emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness

Other synonyms of depersonalization disorder include depersonalisation, depersonalisation neurosis, depersonalization, depersonalization neurosis.

depersonalization disorder (noun)	depersonalisation disorder (noun)
emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness	emotional dissociative disorder in which there is loss of contact with your own personal reality accompanied by feelings of unreality and strangeness