component,
constituent,
element an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system"
computer accessory an accessory for a computer; "when you add in all the computer accessories you are going to need the computer gets pretty expensive"
fitting putting clothes on to see whether they fit
supplement -
textual matter that is added onto a publication; usually at the end
appendix a vestigial process that extends from the lower end of the cecum and that resembles a small pouch
Verb
supplement -
add as a supplement to what seems insufficient; "supplement your diet"
add make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table"
eke out,
fill out obtain with difficulty; "He eked out some information from the archives"
leverage provide with leverage; "We need to leverage this company"
supplement add as a supplement to what seems insufficient; "supplement your diet"
supplement -
serve as a supplement to; "Vitamins supplemented his meager diet"
supplement add as a supplement to what seems insufficient; "supplement your diet"
comprise,
constitute,
make up,
be,
represent form or compose; "This money is my only income"; "The stone wall was the backdrop for the performance"; "These constitute my entire belonging"; "The children made up the chorus"; "This sum represents my entire income for a year"; "These few men comprise his entire army"
supplement -
add to the very end; "He appended a glossary to his novel where he used an invented language"