Petrosynthese rhymes with:
allweiss, altarpiece, buslease, centerpiece, crosspiece, eyepiece, greenpeace, irianese, legalese, masterpiece, mouthpiece, sangiovese, showpiece, sublease, syntheses, timepiece, viennese
allweiss, altarpiece, buslease, centerpiece, crosspiece, eyepiece, greenpeace, irianese, legalese, masterpiece, mouthpiece, sangiovese, showpiece, sublease, syntheses, timepiece, viennese