gumbo-limbo vs incense tree

gumbo-limbo and incense tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
gumbo-limbo	Yes	No	No	No
incense tree	Yes	No	No	No

As nouns, incense tree is a hypernym of gumbo-limbo; that is, incense tree is a word with a broader meaning than gumbo-limbo:

gumbo-limbo: tropical American tree yielding a reddish resin used in cements and varnishes
incense tree: any of various tropical trees of the family Burseraceae yielding fragrant gums or resins that are burned as incense

gumbo-limbo (noun)	incense tree (noun)
tropical American tree yielding a reddish resin used in cements and varnishes	any of various tropical trees of the family Burseraceae yielding fragrant gums or resins that are burned as incense