Gerst rhymes with:
berst, burst, coerced, conversed, cursed, disbursed, dispersed, durst, emersed, first, furst, guaranty-first, headfirst, hearst, herst, hirst, huerst, hurst, immersed, interfirst, interspersed, kerst, kirst, medfirst, merced, nursed, pursed, rehearsed, reimbursed, reversed, submersed, thirst, unrehearsed, unreimbursed, versed, werst, worst, wurst
Gerst sounds like:
garajda, garcetti, garside, garst, georgette, geraghty, ghrist, gorazde, graced, grajeda, grassed, grasty, grayest, grazed, greased, greasewood, gressett, griest, grissett, grist, grossed, groused