Buddhist rhymes with:
rudest, shrewdest, blondest, coldest, eldest, encyclopedist, fondest, grandest, hardest, kindest, loudest, methodist, mildest, modest, oddest, oldest, orthopedist, prejudiced, propagandist, proudest, rudest, saddest, sadist, shrewdest, soundest, stupidest, weirdest, widest
Buddhist sounds like:
badgett, baptist, baptista, baptiste, baptized, bathgate, batista, batiste, battista, battiste, battisti, bautista, bedecked, bedgood, bedside, bethesda, betwixt, bewitched, bidgood, bodeguita, botched, bud-test, budged, budget, budgeted