balm vs balm of Gilead

balm and balm of Gilead both are nouns.

Word	Noun	Adjective	Verb	Adverb
balm	Yes	No	No	No
balm of Gilead	Yes	No	No	No

As nouns, balm of Gilead is a hyponym of balm; that is, balm of Gilead is a word with a more specific, narrower meaning than balm:

balm: any of various aromatic resinous substances used for healing and soothing
balm of Gilead: a fragrant oleoresin

balm (noun)	balm of Gilead (noun)
semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation	medium-sized fir of northeastern North America; leaves smell of balsam when crushed; much used for pulpwood and Christmas trees
any of various aromatic resinous substances used for healing and soothing	a fragrant oleoresin