lemon-wood vs lemon-wood tree

lemon-wood and lemon-wood tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon-wood	Yes	No	No	No
lemon-wood tree	Yes	No	No	No

As nouns, lemon-wood and lemon-wood tree are synonyms defined as:

lemon-wood and lemon-wood tree: South African evergreen having hard tough wood

Other synonyms of lemon-wood include lemonwood, lemonwood tree, Psychotria capensis.

lemon-wood (noun)	lemon-wood tree (noun)
South African evergreen having hard tough wood	South African evergreen having hard tough wood