Hillsdown rhymes with:
closedown, ashdown, blastdown, breakdown, clampdown, closedown, comedown, countdown, crackdown, drawdown, godown, hoedown, knockdown, lansdowne, letdown, lockdown, lowdown, markdown, meltdown, piltdown, putdown, rundown, shakedown, shootdown, showdown, shutdown, slowdown, southdown, sundown, touchdown, turndown, underdown, writedown
Hillsdown sounds like:
hailstone, halston, holliston, hollstein, holstein, holsten, holstine, holston