Amassed rhymes with:
massed, mast, aghast, assed, ast, bast, blast, cast, caste, classed, fast, gassed, gast, glassed, grassed, harassed, hast, kast, lambaste, last, lymphoblast, massed, mast, miscast, nast, passed, past, precast, rast, recast, surpassed, unsurpassed, vast
Amassed sounds like:
amazed, amcast, amezquita, amhoist, amistad, amnesty, amongst, amsouth, amused, anacostia, anast, ancheta, anecdote, angotti, angst, angstadt, anguished, anikst, animist, animosity, aniseed, anisette, annexed, announced, annunciata, annunziata, annunziato, ansaid, ansett, anstead, anstett, anstey, anxiety, aungst