computer accessory vs accessory

computer accessory and accessory both are nouns.

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

As nouns, accessory is a hypernym of computer accessory; that is, accessory is a word with a broader meaning than computer accessory:

Other hypernyms of computer accessory include add-on, appurtenance, supplement.

computer accessory (noun)	accessory (noun)
an accessory for a computer	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

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