Nast rhymes with:
aghast, amassed, assed, ast, bast, blast, cast, caste, classed, fast, gassed, gast, glassed, grassed, harassed, hast, kast, lambaste, last, lymphoblast, massed, mast, miscast, passed, past, precast, rast, recast, surpassed, unsurpassed, vast
Nast sounds like:
nagata, nagged, nakata, naked, nasta, nasty, naught, naughty, nauseate, nauseated, necessitate, necessitated, necessity, necked, necktie, negate, negated, negotiate, negotiated, nesseth, nest, nesta, neste, nestea, nested, neustadt, newest, newgate, newgateway, newquist, newscast, newsday, next, nicest, nicety, nicked, niezgoda, night, nikita, niquette, nishida, nist, nixed, njt, noisiest, nonjet, nonunionized, nosed, nuanced, nugett, nugget, nunziata, nunziato, nyquist