addition,
decoration, fixture, fitment, attachment, adjunct, auxiliary, add-on, extra,
trimming, accompaniment, adornment, embellishment
accomplice,
partner, partner in crime, assistant, abettor, coconspirator,
collaborator
muffler, belt, braces, cravat,
cummerbund, earmuffs, glove, handbag, hat, muff, sash, scarf, shawl, tie, veil,
purse, suspenders, jewelry, necktie