accessory vs adjuvant

accessory and adjuvant both are nouns.

Word	Noun	Adjective	Verb	Adverb
accessory	Yes	Yes	No	No
adjuvant	Yes	Yes	No	No

As adjectives, accessory and adjuvant are synonyms defined as:

Other synonyms of accessory include adjunct, ancillary, appurtenant, auxiliary.

accessory (noun)	adjuvant (noun)
a supplementary component that improves capability	an additive that enhances the effectiveness of medical treatment
clothing that is worn or carried, but not part of your main clothing
someone who helps another person commit a crime

accessory (adjective)	adjuvant (adjective)
furnishing added support	enhancing the action of a medical treatment
aiding and abetting in a crime	furnishing added support