balsam of Peru vs tolu

balsam of Peru and tolu both are nouns.

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

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

balsam of Peru: dark brown syrupy balsam from the Peruvian balsam tree used especially in dressing wounds and treating certain skin diseases
tolu: aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups

Other hypernyms of balsam of Peru include balsam of tolu, tolu balsam.

balsam of Peru (noun)	tolu (noun)
dark brown syrupy balsam from the Peruvian balsam tree used especially in dressing wounds and treating certain skin diseases	aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups