genus Ficus vs fig tree

genus Ficus and fig tree both are nouns.

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

genus Ficus (noun)	fig tree (noun)
large genus of tropical trees or shrubs or climbers including fig trees	any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature