Flourishes rhymes with:
nourishes, demolishes, embellishes, furbishes, furnishes, garnishes, hamlisch's, impoverishes, lavishes, nourishes, publishes, punishes, relishes, varnishes
Flourishes sounds like:
failures, feelers, fellers, felrice, filers, fillers, flares, fliers, floors, florek, flores, florescue, florez, florio's, floris, flourish, flours, flowers, flowers', fluor's, fluoresce, flurries, flyers, followers, fowler's, fuller's