banyan vs banyan tree

banyan and banyan tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
banyan	Yes	No	No	No
banyan tree	Yes	No	No	No

As nouns, banyan and banyan tree are synonyms defined as:

banyan and banyan tree: East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks

Other synonyms of banyan include banian, banian tree, East Indian fig tree, Ficus bengalensis, Indian banyan.

banyan (noun)	banyan tree (noun)
a loose fitting jacket; originally worn in India	East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks
East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks