sassafras vs sassafras tree

sassafras and sassafras tree both are nouns.

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

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

sassafras and sassafras tree: yellowwood tree with brittle wood and aromatic leaves and bark; source of sassafras oil; widely distributed in eastern North America

Other synonyms of sassafras include Sassafras albidum.

sassafras (noun)	sassafras tree (noun)
dried root bark of the sassafras tree	yellowwood tree with brittle wood and aromatic leaves and bark; source of sassafras oil; widely distributed in eastern North America
yellowwood tree with brittle wood and aromatic leaves and bark; source of sassafras oil; widely distributed in eastern North America