Synonyms to matching pair

couple, a few, accouple, accumulate, affiliate, agglutinate, ally, amass, apply, arrange a match, articulate, assemble, associate, ball, band, band together, be in cahoots, be intimate, be made one, be spliced, become one, bind, bond, both, brace, bracket, bridge, bridge over, bunch, bunch up, cabal, cement, cement a union, centralize, chain, clap together, clot, club, club together, cluster, coalesce, cohabit, collect, combine, come together, commit adultery, comprise, concatenate, confederate, conglobulate, congregate, conjoin, conjugate, connect, consociate, conspire, contract matrimony, converge, copulate, correlate, couple up, couplet, cover, crowd, date, diddle, distich, double harness, double-harness, double-team, doublet, draw a parallel, duad, duet, duo, dyad, embrace, encompass, equate, espouse, federalize, federate, flock together, flow together, forgather, fornicate, frig, fuse, gang, gang around, gang up, gather, gather around, get hitched, give away, glue, go in partners, go in partnership, group, harness, have sex, have sexual relations, herd together, hitch, hive, hook up, hook up with, horde, huddl