What rhymes with litterateur

astir, bestir, blur, burr, chirr, claqueur, concur, confer, connoisseur, cur, defer, demur, disinter, douceur, entrepreneur, fir, fur, hauteur, her, hotspur, incur, infer, knur, larkspur, litterateur, myrrh, occur, per, poseur, prefer, purr, refer, saboteur, shirr, sir, slur, spur, stir, were, whir, whirr