nostrum vs catholicon

nostrum and catholicon both are nouns.

Word	Noun	Adjective	Verb	Adverb
nostrum	Yes	No	No	No
catholicon	Yes	No	No	No

As nouns, nostrum and catholicon are synonyms defined as:

nostrum and catholicon: hypothetical remedy for all ills or diseases; once sought by the alchemists

Other synonyms of nostrum include cure-all, panacea.

nostrum (noun)	catholicon (noun)
patent medicine whose efficacy is questionable	hypothetical remedy for all ills or diseases; once sought by the alchemists
hypothetical remedy for all ills or diseases; once sought by the alchemists