vulcanizer vs vulcaniser

vulcanizer and vulcaniser both are nouns.

Word	Noun	Adjective	Verb	Adverb
vulcanizer	Yes	No	No	No
vulcaniser	Yes	No	No	No

As nouns, vulcanizer and vulcaniser are synonyms defined as:

vulcanizer and vulcaniser: a device used for the vulcanization of rubber.

As nouns, vulcanizer and vulcaniser are synonyms defined as:

vulcanizer and vulcaniser: someone who vulcanizes rubber to improve its strength and resiliency

vulcanizer (noun)	vulcaniser (noun)
a device used for the vulcanization of rubber.	a device used for the vulcanization of rubber.
someone who vulcanizes rubber to improve its strength and resiliency	someone who vulcanizes rubber to improve its strength and resiliency