asynchronism vs desynchronisation

asynchronism and desynchronisation both are nouns.

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

As nouns, asynchronism and desynchronisation are synonyms defined as:

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

Other synonyms of asynchronism include asynchrony, desynchronization, desynchronizing.

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