pepperwood vs spice tree

pepperwood and spice tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
pepperwood	Yes	No	No	No
spice tree	Yes	No	No	No

As nouns, pepperwood and spice tree are synonyms defined as:

pepperwood and spice tree: Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood

pepperwood (noun)	spice tree (noun)
Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood	tree bearing aromatic bark or berries
	Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood