button tree vs button mangrove

button tree and button mangrove both are nouns.

Word	Noun	Adjective	Verb	Adverb
button tree	Yes	No	No	No
button mangrove	Yes	No	No	No

As nouns, button tree and button mangrove are synonyms defined as:

button tree and button mangrove: evergreen tree or shrub with fruit resembling buttons and yielding heavy hard compact wood

Other synonyms of button tree include Conocarpus erectus.

button tree (noun)	button mangrove (noun)
evergreen tree or shrub with fruit resembling buttons and yielding heavy hard compact wood	evergreen tree or shrub with fruit resembling buttons and yielding heavy hard compact wood