Lansdowne rhymes with:
ashdown, blastdown, breakdown, clampdown, closedown, comedown, countdown, crackdown, drawdown, godown, hillsdown, hoedown, knockdown, letdown, lockdown, lowdown, markdown, meltdown, piltdown, putdown, rundown, shakedown, shootdown, showdown, shutdown, slowdown, southdown, sundown, touchdown, turndown, underdown, writedown
Lansdowne sounds like:
lamston, langdon, langston, langton, lansdown, lanston, lengthen, lenington, limestone, loewenstein, longden, longtime, longtin, longton, lowenstein, lumsden, lunchtime