mastic vs mastic tree

mastic and mastic tree both are nouns.

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

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

mastic and mastic tree: an evergreen shrub of the Mediterranean region that is cultivated for its resin

Other synonyms of mastic include lentisk, Pistacia lentiscus.

mastic (noun)	mastic tree (noun)
an evergreen shrub of the Mediterranean region that is cultivated for its resin	an evergreen shrub of the Mediterranean region that is cultivated for its resin
an aromatic exudate from the mastic tree; used chiefly in varnishes
a pasty cement used as an adhesive or filler