Bulrush rhymes with:
barasch, barash, jarash, jarosz, marash, marash', morash, mushrush, orosz, petrash, toothbrush, yarosh
Bulrush sounds like:
babblers, belarus, bellerose, bellrose, bilirakis, billerica, blair's, blares, bleilers, blowers, blurs, boilers, bolar's, bolerjack, bowlers, bulwark, byelorussia