adjuvant vs accessory

adjuvant and accessory both are nouns.

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

As adjectives, adjuvant and accessory are synonyms defined as:

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

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

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