vulcanite vs ebonite

vulcanite and ebonite both are nouns.

Word	Noun	Adjective	Verb	Adverb
vulcanite	Yes	No	No	No
ebonite	Yes	No	No	No

As nouns, vulcanite and ebonite are synonyms defined as:

vulcanite and ebonite: a hard nonresilient rubber formed by vulcanizing natural rubber

Other synonyms of vulcanite include hard rubber.

vulcanite (noun)	ebonite (noun)
a hard nonresilient rubber formed by vulcanizing natural rubber	a hard nonresilient rubber formed by vulcanizing natural rubber