Toothbrush rhymes with:
barasch, barash, bulrush, jarash, jarosz, marash, marash', morash, mushrush, orosz, petrash, yarosh
Toothbrush sounds like:
tabares, tabor's, tapers, tavares, tavarez, taveras, theberge, thivierge, tippers, tobruk, toothbrushes, toppers, touvier's, tyburski