unsynchronised vs unsynchronous

unsynchronised and unsynchronous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unsynchronised	No	Yes	No	No
unsynchronous	No	Yes	No	No

As adjectives, unsynchronised and unsynchronous are synonyms defined as:

Other synonyms of unsynchronised include nonsynchronous, unsynchronized.

unsynchronised (adjective)	unsynchronous (adjective)
not occurring together	not occurring together