desynchronisation vs asynchronism

desynchronisation and asynchronism both are nouns.

Word	Noun	Adjective	Verb	Adverb
desynchronisation	Yes	No	No	No
asynchronism	Yes	No	No	No

As nouns, desynchronisation and asynchronism are synonyms defined as:

desynchronisation and asynchronism: the relation that exists when things occur at unrelated times

Other synonyms of desynchronisation include asynchrony, desynchronization, desynchronizing.

desynchronisation (noun)	asynchronism (noun)
the relation that exists when things occur at unrelated times	the relation that exists when things occur at unrelated times