Ficus elastica vs fig tree

Ficus elastica and fig tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ficus elastica	Yes	No	No	No
fig tree	Yes	No	No	No

As nouns, fig tree is a hypernym of Ficus elastica; that is, fig tree is a word with a broader meaning than Ficus elastica:

Ficus elastica: large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber
fig tree: any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature

Ficus elastica (noun)	fig tree (noun)
large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber	any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature