tolu vs balsam of tolu

tolu and balsam of tolu both are nouns.

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

As nouns, tolu and balsam of tolu are synonyms defined as:

tolu and balsam of tolu: aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups

Other synonyms of tolu include tolu balsam.

tolu (noun)	balsam of tolu (noun)
aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups	aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups