Gast rhymes with:
aghast, gassed, aghast, amassed, assed, ast, bast, blast, cast, caste, classed, fast, gassed, glassed, grassed, harassed, hast, kast, lambaste, last, lymphoblast, massed, mast, miscast, nast, passed, past, precast, rast, recast, surpassed, unsurpassed, vast
Gast sounds like:
gad, gadd, gaddie, gaddy, gade, gadway, gaede, gaeta, gaeth, gagged, gait, gajda, gashed, gasket, gassed, gassett, gat, gate, gateau, gated, gateway, gatewood, gath, gatt, gatti, gatty, gaudet, gaudette, gaudio, gaudy, gauged, gaustad, gaut, gayda, gazda, gazed, gazeta, gazette, ged, geddie, geist, geoid, gest, gestate, get, getaway, getty, ghada, ghetto, ghost, giddy, gigot, gist, githa, gitto, giusti, giusto, goad, goaded, goat, goatee, god, goda, goddeau, godette, godhead, godot, godoy, goedde, goede, goethe, goette, goizueta, good, gooda, goode, goodhue, goodie, goody, gootee, gossett, got, goth, goto, gott, gotta, gotti, goude, goudeau, goudie, goudy, gouged, gout, gouty, gowdy, goyette, gude, guessed, guest, guested, guida, guide, guided, guidi, guido, guidotti, guisewite, gushed, gussied, gust, guste, gusted, gusto, gusty, gut, guth, gutt, gutted, guyett, guyette, guyot, guzzetta, guzzetti, gytha