rubber plant vs Assam rubber

rubber plant and Assam rubber both are nouns.

Word	Noun	Adjective	Verb	Adverb
rubber plant	Yes	No	No	No
Assam rubber	Yes	No	No	No

As nouns, rubber plant and Assam rubber are synonyms defined as:

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

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

rubber plant (noun)	Assam rubber (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