Ficus diversifolia vs fig tree

Ficus diversifolia and fig tree both are nouns.

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

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

Ficus diversifolia: shrub or small tree often grown as a houseplant having foliage like mistletoe
fig tree: any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature

Ficus diversifolia (noun)	fig tree (noun)
shrub or small tree often grown as a houseplant having foliage like mistletoe	any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature