/ Thesaurus / C Synonyms of cap screw Find synonyms for: Noun1. cap screw, screwusage: a threaded screw for machine parts; screws into a tapped holeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language