Alabaster rhymes with:
broadcaster, buckmaster, burgmaster, burgomaster, concertmaster, fightmaster, flamemaster, forecaster, goodpaster, hoffmaster, huffmaster, jewelmaster, lancaster, newscaster, postmaster, puzzlemaster, quartermaster, ringmaster, roadmaster, schoolmaster, scoutmaster, servicemaster, sportscaster, stainmaster, stratocaster, taskmaster, ticketmaster, toastmaster, waycaster, webmaster