tolu balsam vs balsam

tolu balsam and balsam both are nouns.

Word	Noun	Adjective	Verb	Adverb
tolu balsam	Yes	No	No	No
balsam	Yes	No	No	No

As nouns, balsam is a hypernym of tolu balsam; that is, balsam is a word with a broader meaning than tolu balsam:

tolu balsam: aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups
balsam: any of various fragrant oleoresins used in medicines and perfumes

tolu balsam (noun)	balsam (noun)
aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups	an ointment containing a fragrant resin
	any seed plant yielding balsam
	any of various fragrant oleoresins used in medicines and perfumes