accouterment vs accessory

accouterment and accessory both are nouns.

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

As nouns, accouterment and accessory are synonyms defined as:

accouterment and accessory: clothing that is worn or carried, but not part of your main clothing

Other synonyms of accouterment include accoutrement.

accouterment (noun)	accessory (noun)
clothing that is worn or carried, but not part of your main clothing	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

accouterment (adjective)	accessory (adjective)
	furnishing added support
	aiding and abetting in a crime