unvulcanised vs unvulcanized

unvulcanised and unvulcanized both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unvulcanised	No	Yes	No	No
unvulcanized	No	Yes	No	No

As adjectives, unvulcanised and unvulcanized are synonyms defined as:

unvulcanised and unvulcanized: (used of rubber) not subjected to the process of vulcanization

unvulcanised (adjective)	unvulcanized (adjective)
(used of rubber) not subjected to the process of vulcanization	(used of rubber) not subjected to the process of vulcanization