Assam rubber vs India-rubber tree

Assam rubber and India-rubber tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Assam rubber	Yes	No	No	No
India-rubber tree	Yes	No	No	No

As nouns, Assam rubber and India-rubber tree are synonyms defined as:

Assam rubber and India-rubber tree: large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber

Other synonyms of Assam rubber include Ficus elastica, India-rubber fig, India-rubber plant, rubber plant.

Assam rubber (noun)	India-rubber tree (noun)
large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber	large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber