Aust rhymes with:
accost, criss-crossed, crossed, defrost, embossed, exhaust, frost, glossed, lacoste, lost, maust, tossed
Aust sounds like:
acadia, accede, acceded, accessed, accetta, accost, accosted, accused, aced, acetate, aceto, ached, acid, acidity, acosta, acott, acquiesced, acquit, acquitted, act, acted, actuate, acuity, acusyst, acute, aesthete, agate, agatha, aged, aghast, aghazadeh, agitate, agitated, agosta, agosto, aguacate, aguado, aist, ajito, akihito, akita, akst, aqazadeh, asat, asato, ascot, ascott, asda, ashwood, aside, asked, asquith, assad, assed, assessed, asset, assist, assisted, associate, associated, assuaged, ast, asta, astute, aucott, augat, august, augusta, auguste, augusto, austad, austat, axed, axid, axt, azzato