ace, amigo, associate, bedfellow, bedmate, birthmate, bosom buddy, buddy, bunkie, bunkmate, butty, camarade, chamberfellow, chum, classmate, clubmate, colleague, comate, companion, company, compeer, comrade, confrere, consociate, consort, copartner, copemate, copesmate, couchmate, cradlemate, crony, cupmate, fellow, fellow student, general partner, girl friend, gossip, jailmate, mate, messmate, old crony, pal, pard, pardner, partner, pewmate, playfellow, playmate, roommate, schoolfellow, schoolmate, secret partner, shelfmate, shopmate, side partner, sidekick, sidekicker, silent partner, sleeping partner, special partner, tablemate, teammate, tentmate, watchmate, waymate, workfellow, yokefellow, yokemate