Superstructure rhymes with:
acupuncture, architecture, conjecture, fracture, infrastructure, juncture, lecture, manufacture, picture, prefecture, puncture, remanufacture, restructure, stricture, structure, telepicture, tincture
acupuncture, architecture, conjecture, fracture, infrastructure, juncture, lecture, manufacture, picture, prefecture, puncture, remanufacture, restructure, stricture, structure, telepicture, tincture