Crackdown rhymes with:
breakdown, knockdown, lockdown, markdown, shakedown, ashdown, blastdown, breakdown, clampdown, closedown, comedown, countdown, drawdown, godown, hillsdown, hoedown, knockdown, lansdowne, letdown, lockdown, lowdown, markdown, meltdown, piltdown, putdown, rundown, shakedown, shootdown, showdown, shutdown, slowdown, southdown, sundown, touchdown, turndown, underdown, writedown
Crackdown sounds like:
carsten, cherrystone, chrestman, christen, christiaan, christian, christiana, christiane, christianna, christianne, christiano, christina, christine, christman, christmann, christon, circadian, correction, creighton, crichton, crisostomo, cristiani, cristiano, cristina, crookston, crosstown, croston, croxton