gum terpentine vs turpentine

gum terpentine and turpentine both are nouns.

Word	Noun	Adjective	Verb	Adverb
gum terpentine	Yes	No	No	No
turpentine	Yes	No	No	No

As nouns, gum terpentine and turpentine are synonyms defined as:

gum terpentine and turpentine: an oleoresin obtained from conifers (especially pines)

gum terpentine (noun)	turpentine (noun)
an oleoresin obtained from conifers (especially pines)	an oleoresin obtained from conifers (especially pines)
	volatile liquid distilled from turpentine oleoresin; used as paint thinner and solvent and medicinally