racketeering

n [U] (derog 贬) activity of racketeers 敲诈勒索活动.

racegoer, racehorse, raceme, racer, racial, racialism, racialist, racially, racily, raciness, racing, racism, racist, rack, rack-railway (also esp US cog-railway), rack-rent, racket, racket (also racquet), racket-press, racketeer, rackety, raconteur, racoon, racy, RADA, radar, radar trap (also speed trap), radial, radially, radiance, radiant, radiantly, radiate, radiation, radiation sickness, radiator, radical, radicalism, radically, radicle,