catholicon vs nostrum

catholicon and nostrum both are nouns.

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

As nouns, catholicon and nostrum are synonyms defined as:

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

Other synonyms of catholicon include cure-all, panacea.

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