myrrh vs gum myrrh

myrrh and gum myrrh both are nouns.

Word	Noun	Adjective	Verb	Adverb
myrrh	Yes	No	No	No
gum myrrh	Yes	No	No	No

As nouns, myrrh and gum myrrh are synonyms defined as:

myrrh and gum myrrh: aromatic resin that is burned as incense and used in perfume

Other synonyms of myrrh include sweet cicely.

myrrh (noun)	gum myrrh (noun)
aromatic resin that is burned as incense and used in perfume	aromatic resin that is burned as incense and used in perfume